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112540161005 = 522508032201
BaseRepresentation
bin110100011001111101…
…0101001001111101101
3101202111010011112012022
41220303322221033231
53320440240123010
6123411130115525
711062564404446
oct1506372511755
9352433145168
10112540161005
1143800a94728
121998957bba5
13a7c684b25c
1456386ca2cd
152dda107d55
hex1a33ea93ed

112540161005 has 4 divisors (see below), whose sum is σ = 135048193212. Its totient is φ = 90032128800.

The previous prime is 112540160959. The next prime is 112540161101. The reversal of 112540161005 is 500161045211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500161045211 = 4595310884187.

It can be written as a sum of positive squares in 2 ways, for example, as 21696995401 + 90843165604 = 147299^2 + 301402^2 .

It is not a de Polignac number, because 112540161005 - 220 = 112539112429 is a prime.

It is a super-2 number, since 2×1125401610052 (a number of 23 digits) contains 22 as substring.

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, 11254016096 + ... + 11254016105.

It is an arithmetic number, because the mean of its divisors is an integer number (33762048303).

Almost surely, 2112540161005 is an apocalyptic number.

It is an amenable number.

112540161005 is a deficient number, since it is larger than the sum of its proper divisors (22508032207).

112540161005 is an equidigital number, since it uses as much as digits as its factorization.

112540161005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22508032206.

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 112540161005 in words is "one hundred twelve billion, five hundred forty million, one hundred sixty-one thousand, five".

Divisors: 1 5 22508032201 112540161005