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231568422472 = 23311377698863
BaseRepresentation
bin1101011110101010001…
…1011011011001001000
3211010201101211201000201
43113222203123121020
512243223004004342
6254214150541544
722505324054062
oct3275243333110
9733641751021
10231568422472
118a231379252
1238a679678b4
1318ab5611cba
14b2ca960732
156054b10db7
hex35ea8db648

231568422472 has 64 divisors (see below), whose sum is σ = 452106547200. Its totient is φ = 111074181120.

The previous prime is 231568422469. The next prime is 231568422473. The reversal of 231568422472 is 274224865132.

It is not an unprimeable number, because it can be changed into a prime (231568422473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26123113 + ... + 26131975.

It is an arithmetic number, because the mean of its divisors is an integer number (7064164800).

Almost surely, 2231568422472 is an apocalyptic number.

It is an amenable number.

231568422472 is a deficient number, since it is larger than the sum of its proper divisors (220538124728).

231568422472 is a wasteful number, since it uses less digits than its factorization.

231568422472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9806 (or 9802 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 46.

The spelling of 231568422472 in words is "two hundred thirty-one billion, five hundred sixty-eight million, four hundred twenty-two thousand, four hundred seventy-two".

Divisors: 1 2 4 8 31 62 124 137 248 274 548 769 1096 1538 3076 4247 6152 8494 8863 16988 17726 23839 33976 35452 47678 70904 95356 105353 190712 210706 274753 421412 549506 842824 1099012 1214231 2198024 2428462 3265943 4856924 6531886 6815647 9713848 13063772 13631294 26127544 27262588 37641161 54525176 75282322 150564644 211285057 301129288 422570114 845140228 933743639 1690280456 1867487278 3734974556 7469949112 28946052809 57892105618 115784211236 231568422472