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1312034922 = 234111634517
BaseRepresentation
bin100111000110100…
…0001000001101010
310101102211021120000
41032031001001222
510141340104142
6334105243430
744341053462
oct11615010152
93342737500
101312034922
11613678290
12307493576
1317ba8cb33
14c6374ba2
157a2bb14c
hex4e34106a

1312034922 has 80 divisors (see below), whose sum is σ = 3227586912. Its totient is φ = 395059680.

The previous prime is 1312034897. The next prime is 1312034929. The reversal of 1312034922 is 2294302131.

It is a happy number.

1312034922 is a `hidden beast` number, since 1 + 312 + 0 + 349 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1312034929) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 288208 + ... + 292724.

Almost surely, 21312034922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312034922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613793456).

1312034922 is an abundant number, since it is smaller than the sum of its proper divisors (1915551990).

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

1312034922 is a wasteful number, since it uses less digits than its factorization.

1312034922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705 (or 4696 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1312034922 is about 36222.0226105611. The cubic root of 1312034922 is about 1094.7504479162.

The spelling of 1312034922 in words is "one billion, three hundred twelve million, thirty-four thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 163 198 297 326 489 594 891 978 1467 1782 1793 2934 3586 4401 4517 5379 8802 9034 10758 13203 13551 16137 26406 27102 32274 40653 48411 49687 81306 96822 99374 121959 145233 149061 243918 290466 298122 365877 447183 731754 736271 894366 1341549 1472542 2208813 2683098 4024647 4417626 6626439 8049294 8098981 13252878 16197962 19879317 24296943 39758634 48593886 59637951 72890829 119275902 145781658 218672487 437344974 656017461 1312034922