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13887625126378 = 241239708624611
BaseRepresentation
bin1100101000010111011011…
…1101100110000111101010
31211011122101110202220020011
43022011312331212013222
53310013324013021003
645311515323322134
72632230203603233
oct312056675460752
954148343686204
1013887625126378
114474788374903
12168362168034a
1379979c727ca3
14360243aca08a
151913b059446d
hexca176f661ea

13887625126378 has 16 divisors (see below), whose sum is σ = 21428808266880. Its totient is φ = 6746106287200.

The previous prime is 13887625126307. The next prime is 13887625126469. The reversal of 13887625126378 is 87362152678831.

It is a super-2 number, since 2×138876251263782 (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, 354292708 + ... + 354331903.

It is an arithmetic number, because the mean of its divisors is an integer number (1339300516680).

Almost surely, 213887625126378 is an apocalyptic number.

13887625126378 is a deficient number, since it is larger than the sum of its proper divisors (7541183140502).

13887625126378 is a wasteful number, since it uses less digits than its factorization.

13887625126378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708624893.

The product of its digits is 162570240, while the sum is 67.

The spelling of 13887625126378 in words is "thirteen trillion, eight hundred eighty-seven billion, six hundred twenty-five million, one hundred twenty-six thousand, three hundred seventy-eight".

Divisors: 1 2 41 82 239 478 9799 19598 708624611 1417249222 29053609051 58107218102 169361282029 338722564058 6943812563189 13887625126378