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131376115362 = 23177118140861
BaseRepresentation
bin111101001011010100…
…0000110111010100010
3110120002211100011000110
41322112220012322202
54123024241142422
6140204154032150
712330423361332
oct1722650067242
9416084304013
10131376115362
1150797434a58
1221565718656
13c50900c98b
1465041610c2
15363da8b60c
hex1e96a06ea2

131376115362 has 32 divisors (see below), whose sum is σ = 282126685824. Its totient is φ = 40635526400.

The previous prime is 131376115361. The next prime is 131376115369. The reversal of 131376115362 is 263511673131.

It is a self number, because there is not a number n which added to its sum of digits gives 131376115362.

It is not an unprimeable number, because it can be changed into a prime (131376115361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9063189 + ... + 9077672.

It is an arithmetic number, because the mean of its divisors is an integer number (8816458932).

Almost surely, 2131376115362 is an apocalyptic number.

131376115362 is an abundant number, since it is smaller than the sum of its proper divisors (150750570462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131376115362 is a wasteful number, since it uses less digits than its factorization.

131376115362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18140954.

The product of its digits is 68040, while the sum is 39.

Adding to 131376115362 its reverse (263511673131), we get a palindrome (394887788493).

The spelling of 131376115362 in words is "one hundred thirty-one billion, three hundred seventy-six million, one hundred fifteen thousand, three hundred sixty-two".

Divisors: 1 2 3 6 17 34 51 71 102 142 213 426 1207 2414 3621 7242 18140861 36281722 54422583 108845166 308394637 616789274 925183911 1288001131 1850367822 2576002262 3864003393 7728006786 21896019227 43792038454 65688057681 131376115362