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1161107713 = 2940038197
BaseRepresentation
bin100010100110101…
…0001100100000001
32222220211101100101
41011031101210001
54334220421323
6311114322401
740526152453
oct10515214401
92886741311
101161107713
11546462457
12284a29401
13156727bac
14b02c82d3
156be06dad
hex45351901

1161107713 has 4 divisors (see below), whose sum is σ = 1201145940. Its totient is φ = 1121069488.

The previous prime is 1161107707. The next prime is 1161107737. The reversal of 1161107713 is 3177011611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 596189889 + 564917824 = 24417^2 + 23768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1161107713 is a prime.

It is a super-2 number, since 2×11611077132 = 2696342242376180738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161107813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20019070 + ... + 20019127.

It is an arithmetic number, because the mean of its divisors is an integer number (300286485).

Almost surely, 21161107713 is an apocalyptic number.

It is an amenable number.

1161107713 is a deficient number, since it is larger than the sum of its proper divisors (40038227).

1161107713 is an equidigital number, since it uses as much as digits as its factorization.

1161107713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40038226.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 1161107713 is about 34075.0306382841. The cubic root of 1161107713 is about 1051.0519202561.

The spelling of 1161107713 in words is "one billion, one hundred sixty-one million, one hundred seven thousand, seven hundred thirteen".

Divisors: 1 29 40038197 1161107713