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131109786299 = 613258765957
BaseRepresentation
bin111101000011011000…
…0001001001010111011
3110112102021012020020002
41322012300021022323
54122003101130144
6140121521423215
712321010536632
oct1720660111273
9415367166202
10131109786299
1150670068a98
12214b049ab0b
13c495aa0a0b
1464baa34519
1536254ce14e
hex1e86c092bb

131109786299 has 8 divisors (see below), whose sum is σ = 133265236848. Its totient is φ = 128954532960.

The previous prime is 131109786289. The next prime is 131109786323. The reversal of 131109786299 is 992687901131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131109786299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131109786209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954829 + ... + 2020785.

It is an arithmetic number, because the mean of its divisors is an integer number (16658154606).

Almost surely, 2131109786299 is an apocalyptic number.

131109786299 is a deficient number, since it is larger than the sum of its proper divisors (2155450549).

131109786299 is an equidigital number, since it uses as much as digits as its factorization.

131109786299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98605.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The spelling of 131109786299 in words is "one hundred thirty-one billion, one hundred nine million, seven hundred eighty-six thousand, two hundred ninety-nine".

Divisors: 1 61 32587 65957 1987807 4023377 2149340759 131109786299