Search a number
-
+
105251312353811 = 138096254796447
BaseRepresentation
bin10111111011100110111011…
…000101011100001000010011
3111210122221000220221222210212
4113323212323011130020103
5102243414141430310221
61011503441351114335
731112104431516521
oct2773467305341023
9453587026858725
10105251312353811
1130599915a22808
12b97a4ab6729ab
13469620513b0c0
141bdc2953c5311
15c27c6513ab5b
hex5fb9bb15c213

105251312353811 has 4 divisors (see below), whose sum is σ = 113347567150272. Its totient is φ = 97155057557352.

The previous prime is 105251312353799. The next prime is 105251312353877. The reversal of 105251312353811 is 118353213152501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105251312353811 - 214 = 105251312337427 is a prime.

It is a super-2 number, since 2×1052513123538112 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105251312353511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4048127398211 + ... + 4048127398236.

It is an arithmetic number, because the mean of its divisors is an integer number (28336891787568).

Almost surely, 2105251312353811 is an apocalyptic number.

105251312353811 is a deficient number, since it is larger than the sum of its proper divisors (8096254796461).

105251312353811 is an equidigital number, since it uses as much as digits as its factorization.

105251312353811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096254796460.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 105251312353811 in words is "one hundred five trillion, two hundred fifty-one billion, three hundred twelve million, three hundred fifty-three thousand, eight hundred eleven".

Divisors: 1 13 8096254796447 105251312353811