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12462990432 = 253163796459
BaseRepresentation
bin10111001101101101…
…00010010001100000
31012011120022111211020
423212312202101200
5201011011143212
65420405045440
7620562446034
oct134666422140
935146274736
1012462990432
1153160401a2
1224b99b6880
13123805c269
148632dc1c4
154ce227d8c
hex2e6da2460

12462990432 has 48 divisors (see below), whose sum is σ = 32916098880. Its totient is φ = 4128838272.

The previous prime is 12462990403. The next prime is 12462990499. The reversal of 12462990432 is 23409926421.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×124629904322 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382582 + ... + 413877.

It is an arithmetic number, because the mean of its divisors is an integer number (685752060).

Almost surely, 212462990432 is an apocalyptic number.

12462990432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12462990432 is an abundant number, since it is smaller than the sum of its proper divisors (20453108448).

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

12462990432 is a wasteful number, since it uses less digits than its factorization.

12462990432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796635 (or 796627 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 12462990432 in words is "twelve billion, four hundred sixty-two million, nine hundred ninety thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 163 326 489 652 978 1304 1956 2608 3912 5216 7824 15648 796459 1592918 2389377 3185836 4778754 6371672 9557508 12743344 19115016 25486688 38230032 76460064 129822817 259645634 389468451 519291268 778936902 1038582536 1557873804 2077165072 3115747608 4154330144 6231495216 12462990432