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112165161001 = 449249811049
BaseRepresentation
bin110100001110110010…
…0001000100000101001
3101201111222112112220021
41220131210020200221
53314203240123001
6123310012400441
711050362065125
oct1503544104051
9351458475807
10112165161001
1143629344673
12198a3a76121
13a766c50b6a
145600992585
152db7231ba1
hex1a1d908829

112165161001 has 4 divisors (see below), whose sum is σ = 112414972500. Its totient is φ = 111915349504.

The previous prime is 112165160981. The next prime is 112165161061. The reversal of 112165161001 is 100161561211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100161561211 = 103339693367.

It can be written as a sum of positive squares in 2 ways, for example, as 88232761600 + 23932399401 = 297040^2 + 154701^2 .

It is a cyclic number.

It is not a de Polignac number, because 112165161001 - 213 = 112165152809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112165161061) 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, 124905076 + ... + 124905973.

It is an arithmetic number, because the mean of its divisors is an integer number (28103743125).

Almost surely, 2112165161001 is an apocalyptic number.

It is an amenable number.

112165161001 is a deficient number, since it is larger than the sum of its proper divisors (249811499).

112165161001 is an equidigital number, since it uses as much as digits as its factorization.

112165161001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249811498.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 112165161001 in words is "one hundred twelve billion, one hundred sixty-five million, one hundred sixty-one thousand, one".

Divisors: 1 449 249811049 112165161001