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289874701401648 = 243113180921891029
BaseRepresentation
bin100000111101000111011011…
…0100110110011111000110000
31102000100202021100022001000220
41001322032312212303320300
5300443301342024323043
62504302333251213040
7115025520220441446
oct10172166646637060
91360322240261026
10289874701401648
11843aa196a17a90
12286177aaba7180
13c5990b440684c
1451820207b2b96
15237a48d6ca483
hex107a3b69b3e30

289874701401648 has 160 divisors (see below), whose sum is σ = 844314260428800. Its totient is φ = 84902162995200.

The previous prime is 289874701401647. The next prime is 289874701401671. The reversal of 289874701401648 is 846104107478982.

It is not an unprimeable number, because it can be changed into a prime (289874701401641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2296198 + ... + 24187226.

It is an arithmetic number, because the mean of its divisors is an integer number (5276964127680).

Almost surely, 2289874701401648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289874701401648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422157130214400).

289874701401648 is an abundant number, since it is smaller than the sum of its proper divisors (554439559027152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289874701401648 is a wasteful number, since it uses less digits than its factorization.

289874701401648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21891891 (or 21891885 counting only the distinct ones).

The product of its (nonzero) digits is 173408256, while the sum is 69.

The spelling of 289874701401648 in words is "two hundred eighty-nine trillion, eight hundred seventy-four billion, seven hundred one million, four hundred one thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 31 33 44 48 62 66 88 93 124 132 176 186 248 264 341 372 496 528 682 744 809 1023 1364 1488 1618 2046 2427 2728 3236 4092 4854 5456 6472 8184 8899 9708 12944 16368 17798 19416 25079 26697 35596 38832 50158 53394 71192 75237 100316 106788 142384 150474 200632 213576 275869 300948 401264 427152 551738 601896 827607 1103476 1203792 1655214 2206952 3310428 4413904 6620856 13241712 21891029 43782058 65673087 87564116 131346174 175128232 240801319 262692348 350256464 481602638 525384696 678621899 722403957 963205276 1050769392 1357243798 1444807914 1926410552 2035865697 2714487596 2889615828 3852821104 4071731394 5428975192 5779231656 7464840889 8143462788 10857950384 11558463312 14929681778 16286925576 17709842461 22394522667 29859363556 32573851152 35419684922 44789045334 53129527383 59718727112 70839369844 89578090668 106259054766 119437454224 141678739688 179156181336 194808267071 212518109532 283357479376 358312362672 389616534142 425036219064 549005116291 584424801213 779233068284 850072438128 1098010232582 1168849602426 1558466136568 1647015348873 2196020465164 2337699204852 3116932273136 3294030697746 4392040930328 4675398409704 6039056279201 6588061395492 8784081860656 9350796819408 12078112558402 13176122790984 18117168837603 24156225116804 26352245581968 36234337675206 48312450233608 72468675350412 96624900467216 144937350700824 289874701401648