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12934982988850 = 2521323385407613
BaseRepresentation
bin1011110000111010100100…
…0100001111010000110010
31200210120110012112011001111
42330032221010033100302
53143411321121120400
643302125452223534
72503343636206126
oct274165104172062
950716405464044
1012934982988850
114137771756a2a
12154aa7776abaa
1372a9c09c47a0
1432a0b1123586
1517670676c3ba
hexbc3a910f432

12934982988850 has 48 divisors (see below), whose sum is σ = 26020966942152. Its totient is φ = 4755495836160.

The previous prime is 12934982988779. The next prime is 12934982988853. The reversal of 12934982988850 is 5888928943921.

It can be written as a sum of positive squares in 12 ways, for example, as 1393247368881 + 11541735619969 = 1180359^2 + 3397313^2 .

It is not an unprimeable number, because it can be changed into a prime (12934982988853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42552357 + ... + 42855256.

Almost surely, 212934982988850 is an apocalyptic number.

12934982988850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12934982988850 is an abundant number, since it is smaller than the sum of its proper divisors (13085983953302).

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

12934982988850 is a wasteful number, since it uses less digits than its factorization.

12934982988850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85407871 (or 85407866 counting only the distinct ones).

The product of its (nonzero) digits is 716636160, while the sum is 76.

The spelling of 12934982988850 in words is "twelve trillion, nine hundred thirty-four billion, nine hundred eighty-two million, nine hundred eighty-eight thousand, eight hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 233 325 466 650 1165 2330 3029 5825 6058 11650 15145 30290 75725 151450 85407613 170815226 427038065 854076130 1110298969 2135190325 2220597938 4270380650 5551494845 11102989690 19899973829 27757474225 39799947658 55514948450 99499869145 198999738290 258699659777 497499345725 517399319554 994998691450 1293498298885 2586996597770 6467491494425 12934982988850