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13115125427272 = 2311236479805053
BaseRepresentation
bin1011111011011001101001…
…1001000110110001001000
31201102210102122022012002021
42332312122121012301020
53204334234102133042
643521001102014224
72522352014523451
oct276663231066110
951383378265067
1013115125427272
1141a7103436210
121579970b77374
1374199bcbb20b
14334abdbda128
1517b24b70e867
hexbed9a646c48

13115125427272 has 32 divisors (see below), whose sum is σ = 27992757833280. Its totient is φ = 5702228445760.

The previous prime is 13115125427269. The next prime is 13115125427323. The reversal of 13115125427272 is 27272452151131.

It is a happy number.

13115125427272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131151254272722 (a number of 27 digits) contains 22 as substring.

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, 3239900503 + ... + 3239904550.

It is an arithmetic number, because the mean of its divisors is an integer number (874773682290).

Almost surely, 213115125427272 is an apocalyptic number.

It is an amenable number.

13115125427272 is an abundant number, since it is smaller than the sum of its proper divisors (14877632406008).

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

13115125427272 is a wasteful number, since it uses less digits than its factorization.

13115125427272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479805093 (or 6479805089 counting only the distinct ones).

The product of its digits is 235200, while the sum is 43.

The spelling of 13115125427272 in words is "thirteen trillion, one hundred fifteen billion, one hundred twenty-five million, four hundred twenty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 23 44 46 88 92 184 253 506 1012 2024 6479805053 12959610106 25919220212 51838440424 71277855583 142555711166 149035516219 285111422332 298071032438 570222844664 596142064876 1192284129752 1639390678409 3278781356818 6557562713636 13115125427272