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30317790492 = 223211223302609
BaseRepresentation
bin11100001111000101…
…001100010100011100
32220020220021022222100
4130033011030110130
5444042323243432
621532223245100
72122205652513
oct341705142434
986226238870
1030317790492
1111948669800
125a61449790
132b22181702
14167872d67a
15bc699e07c
hex70f14c51c

30317790492 has 108 divisors (see below), whose sum is σ = 87899731920. Its totient is φ = 8787736320.

The previous prime is 30317790473. The next prime is 30317790509. The reversal of 30317790492 is 29409771303.

30317790492 is a `hidden beast` number, since 3 + 0 + 3 + 1 + 77 + 90 + 492 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51117 + ... + 251492.

Almost surely, 230317790492 is an apocalyptic number.

It is an amenable number.

30317790492 is an abundant number, since it is smaller than the sum of its proper divisors (57581941428).

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

30317790492 is a wasteful number, since it uses less digits than its factorization.

30317790492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302664 (or 302648 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The spelling of 30317790492 in words is "thirty billion, three hundred seventeen million, seven hundred ninety thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 23 33 36 44 46 66 69 92 99 121 132 138 198 207 242 253 276 363 396 414 484 506 726 759 828 1012 1089 1452 1518 2178 2277 2783 3036 4356 4554 5566 8349 9108 11132 16698 25047 33396 50094 100188 302609 605218 907827 1210436 1815654 2723481 3328699 3631308 5446962 6657398 6960007 9986097 10893924 13314796 13920014 19972194 20880021 27840028 29958291 36615689 39944388 41760042 59916582 62640063 73231378 76560077 83520084 109847067 119833164 125280126 146462756 153120154 219694134 229680231 250560252 306240308 329541201 439388268 459360462 659082402 689040693 842160847 918720924 1318164804 1378081386 1684321694 2526482541 2756162772 3368643388 5052965082 7579447623 10105930164 15158895246 30317790492