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20152331376 = 243478932771
BaseRepresentation
bin10010110001001011…
…000010110001110000
31221000110011111121120
4102301023002301300
5312232444101001
613131410222240
71312251663462
oct226113026160
957013144546
1020152331376
118601513921
123aa4b84980
131b92111a48
14d9261a132
157ce30b236
hex4b12c2c70

20152331376 has 40 divisors (see below), whose sum is σ = 53167858944. Its totient is φ = 6574518720.

The previous prime is 20152331347. The next prime is 20152331387. The reversal of 20152331376 is 67313325102.

It is a super-2 number, since 2×201523313762 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4464130 + ... + 4468641.

Almost surely, 220152331376 is an apocalyptic number.

It is an amenable number.

20152331376 is an abundant number, since it is smaller than the sum of its proper divisors (33015527568).

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

20152331376 is a wasteful number, since it uses less digits than its factorization.

20152331376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8932829 (or 8932823 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

Adding to 20152331376 its reverse (67313325102), we get a palindrome (87465656478).

The spelling of 20152331376 in words is "twenty billion, one hundred fifty-two million, three hundred thirty-one thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 47 48 94 141 188 282 376 564 752 1128 2256 8932771 17865542 26798313 35731084 53596626 71462168 107193252 142924336 214386504 419840237 428773008 839680474 1259520711 1679360948 2519041422 3358721896 5038082844 6717443792 10076165688 20152331376