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13857790535 = 52771558107
BaseRepresentation
bin11001110011111110…
…10001101001000111
31022202202212200212022
430321333101221013
5211340043244120
610211032313355
71000260163451
oct147177215107
938682780768
1013857790535
1159713a8156
122828b4285b
1313cb009c74
149566592d1
155618e2025
hex339fd1a47

13857790535 has 4 divisors (see below), whose sum is σ = 16629348648. Its totient is φ = 11086232424.

The previous prime is 13857790511. The next prime is 13857790549. The reversal of 13857790535 is 53509775831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53509775831 = 311726121801.

It is a cyclic number.

It is not a de Polignac number, because 13857790535 - 28 = 13857790279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385779049 + ... + 1385779058.

It is an arithmetic number, because the mean of its divisors is an integer number (4157337162).

Almost surely, 213857790535 is an apocalyptic number.

13857790535 is a deficient number, since it is larger than the sum of its proper divisors (2771558113).

13857790535 is an equidigital number, since it uses as much as digits as its factorization.

13857790535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771558112.

The product of its (nonzero) digits is 3969000, while the sum is 53.

The spelling of 13857790535 in words is "thirteen billion, eight hundred fifty-seven million, seven hundred ninety thousand, five hundred thirty-five".

Divisors: 1 5 2771558107 13857790535