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12368912238 = 232899298311
BaseRepresentation
bin10111000010011111…
…01001111101101110
31011221000021211210200
423201033221331232
5200312420142423
65403204414330
7615341006424
oct134117517556
934830254720
1012368912238
115277a23921
1224923a73a6
13122170cca7
14854a0d114
154c5d42d43
hex2e13e9f6e

12368912238 has 48 divisors (see below), whose sum is σ = 27132861600. Its totient is φ = 4071767040.

The previous prime is 12368912221. The next prime is 12368912243. The reversal of 12368912238 is 83221986321.

It is a junction number, because it is equal to n+sod(n) for n = 12368912193 and 12368912202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1484103 + ... + 1492413.

It is an arithmetic number, because the mean of its divisors is an integer number (565267950).

Almost surely, 212368912238 is an apocalyptic number.

12368912238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12368912238 is an abundant number, since it is smaller than the sum of its proper divisors (14763949362).

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

12368912238 is a wasteful number, since it uses less digits than its factorization.

12368912238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337 (or 9334 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The spelling of 12368912238 in words is "twelve billion, three hundred sixty-eight million, nine hundred twelve thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 89 178 267 534 801 929 1602 1858 2787 5574 8311 8361 16622 16722 24933 49866 74799 82681 149598 165362 248043 496086 739679 744129 1479358 1488258 2219037 4438074 6657111 7720919 13314222 15441838 23162757 46325514 69488271 138976542 687161791 1374323582 2061485373 4122970746 6184456119 12368912238