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23179157904 = 2437103669763
BaseRepresentation
bin10101100101100101…
…011110000110010000
32012211101200020000210
4111211211132012100
5334432331023104
614352013444120
71450254406560
oct254545360620
965741606023
1023179157904
119915037451
1245aa7a0640
132255229966
14119c606da0
15909ded989
hex56595e190

23179157904 has 80 divisors (see below), whose sum is σ = 69098212352. Its totient is φ = 6558309504.

The previous prime is 23179157893. The next prime is 23179157917. The reversal of 23179157904 is 40975197132.

It is a super-2 number, since 2×231791579042 (a number of 22 digits) contains 22 as substring.

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

It is a zygodrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300274 + ... + 369489.

Almost surely, 223179157904 is an apocalyptic number.

23179157904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23179157904 is an abundant number, since it is smaller than the sum of its proper divisors (45919054448).

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

23179157904 is a wasteful number, since it uses less digits than its factorization.

23179157904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669884 (or 669878 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

The spelling of 23179157904 in words is "twenty-three billion, one hundred seventy-nine million, one hundred fifty-seven thousand, nine hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 103 112 168 206 309 336 412 618 721 824 1236 1442 1648 2163 2472 2884 4326 4944 5768 8652 11536 17304 34608 669763 1339526 2009289 2679052 4018578 4688341 5358104 8037156 9376682 10716208 14065023 16074312 18753364 28130046 32148624 37506728 56260092 68985589 75013456 112520184 137971178 206956767 225040368 275942356 413913534 482899123 551884712 827827068 965798246 1103769424 1448697369 1655654136 1931596492 2897394738 3311308272 3863192984 5794789476 7726385968 11589578952 23179157904