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12915896989200 = 2435210763247491
BaseRepresentation
bin1011101111110011011101…
…1100111011011000010000
31200201202012001211220120120
42323330313130323120100
53143103224112123300
643245251533110240
72502066652661232
oct273746734733020
950652161756516
1012915896989200
11412a6681519a7
12154722b928380
13728c6b7a5b7a
143291c03a0252
15175e8ad963a0
hexbbf3773b610

12915896989200 has 60 divisors (see below), whose sum is σ = 41373923359248. Its totient is φ = 3444239196800.

The previous prime is 12915896989199. The next prime is 12915896989201. The reversal of 12915896989200 is 298969851921.

It is an interprime number because it is at equal distance from previous prime (12915896989199) and next prime (12915896989201).

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-3 number, since 3×129158969892003 (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12915896989201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5381622546 + ... + 5381624945.

Almost surely, 212915896989200 is an apocalyptic number.

12915896989200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12915896989200 is an abundant number, since it is smaller than the sum of its proper divisors (28458026370048).

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

12915896989200 is a wasteful number, since it uses less digits than its factorization.

12915896989200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10763247512 (or 10763247501 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 69.

The spelling of 12915896989200 in words is "twelve trillion, nine hundred fifteen billion, eight hundred ninety-six million, nine hundred eighty-nine thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 10763247491 21526494982 32289742473 43052989964 53816237455 64579484946 86105979928 107632474910 129158969892 161448712365 172211959856 215264949820 258317939784 269081187275 322897424730 430529899640 516635879568 538162374550 645794849460 807243561825 861059799280 1076324749100 1291589698920 1614487123650 2152649498200 2583179397840 3228974247300 4305298996400 6457948494600 12915896989200