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4985218128 = 24311311032957
BaseRepresentation
bin1001010010010010…
…00110010001010000
3110212102120022122110
410221021012101100
540202203440003
62142402305320
7234352440432
oct45111062120
913772508573
104985218128
112129031190
12b71658240
13615a84617
14354134652
151e29d6a03
hex129246450

4985218128 has 160 divisors (see below), whose sum is σ = 14648205312. Its totient is φ = 1447257600.

The previous prime is 4985218111. The next prime is 4985218141. The reversal of 4985218128 is 8218125894.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1684426 + ... + 1687382.

Almost surely, 24985218128 is an apocalyptic number.

4985218128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4985218128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7324102656).

4985218128 is an abundant number, since it is smaller than the sum of its proper divisors (9662987184).

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

4985218128 is a wasteful number, since it uses less digits than its factorization.

4985218128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113 (or 3107 counting only the distinct ones).

The product of its digits is 368640, while the sum is 48.

The square root of 4985218128 is about 70606.0771322129. The cubic root of 4985218128 is about 1708.2891736344.

The spelling of 4985218128 in words is "four billion, nine hundred eighty-five million, two hundred eighteen thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 31 33 44 48 62 66 88 93 103 124 132 176 186 206 248 264 309 341 372 412 496 528 618 682 744 824 1023 1133 1236 1364 1488 1648 2046 2266 2472 2728 2957 3193 3399 4092 4532 4944 5456 5914 6386 6798 8184 8871 9064 9579 11828 12772 13596 16368 17742 18128 19158 23656 25544 27192 32527 35123 35484 38316 47312 51088 54384 65054 70246 70968 76632 91667 97581 105369 130108 140492 141936 153264 183334 195162 210738 260216 275001 280984 304571 366668 390324 421476 520432 550002 561968 609142 733336 780648 842952 913713 1008337 1100004 1218284 1466672 1561296 1685904 1827426 2016674 2200008 2436568 3025011 3350281 3654852 4033348 4400016 4873136 6050022 6700562 7309704 8066696 9441701 10050843 12100044 13401124 14619408 16133392 18883402 20101686 24200088 26802248 28325103 37766804 40203372 48400176 53604496 56650206 75533608 80406744 103858711 113300412 151067216 160813488 207717422 226600824 311576133 415434844 453201648 623152266 830869688 1246304532 1661739376 2492609064 4985218128