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12465493392 = 2431123608889
BaseRepresentation
bin10111001110000000…
…00101010110010000
31012011202000200020110
423213000011112100
5201012131242032
65420534441320
7620622642222
oct134700052620
935152020213
1012465493392
11531749a760
1224ba803240
1312387275c1
14863790412
154ce56e7cc
hex2e7005590

12465493392 has 40 divisors (see below), whose sum is σ = 35130028320. Its totient is φ = 3777422080.

The previous prime is 12465493373. The next prime is 12465493393. The reversal of 12465493392 is 29339456421.

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

It is not an unprimeable number, because it can be changed into a prime (12465493393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11803917 + ... + 11804972.

It is an arithmetic number, because the mean of its divisors is an integer number (878250708).

Almost surely, 212465493392 is an apocalyptic number.

12465493392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12465493392 is an abundant number, since it is smaller than the sum of its proper divisors (22664534928).

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

12465493392 is a wasteful number, since it uses less digits than its factorization.

12465493392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23608911 (or 23608905 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 48.

The spelling of 12465493392 in words is "twelve billion, four hundred sixty-five million, four hundred ninety-three thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 23608889 47217778 70826667 94435556 141653334 188871112 259697779 283306668 377742224 519395558 566613336 779093337 1038791116 1133226672 1558186674 2077582232 3116373348 4155164464 6232746696 12465493392