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131376115345 = 51723148945131
BaseRepresentation
bin111101001011010100…
…0000110111010010001
3110120002211100010222211
41322112220012322101
54123024241142340
6140204154032121
712330423361306
oct1722650067221
9416084303884
10131376115345
1150797434a42
1221565718641
13c50900c977
1465041610ad
15363da8b5ea
hex1e96a06e91

131376115345 has 32 divisors (see below), whose sum is σ = 174303394560. Its totient is φ = 94552043520.

The previous prime is 131376115319. The next prime is 131376115361. The reversal of 131376115345 is 543511673131.

It is not a de Polignac number, because 131376115345 - 27 = 131376115217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131376115298 and 131376115307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2888430 + ... + 2933560.

It is an arithmetic number, because the mean of its divisors is an integer number (5446981080).

Almost surely, 2131376115345 is an apocalyptic number.

It is an amenable number.

131376115345 is a deficient number, since it is larger than the sum of its proper divisors (42927279215).

131376115345 is a wasteful number, since it uses less digits than its factorization.

131376115345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46665.

The product of its digits is 113400, while the sum is 40.

Adding to 131376115345 its reverse (543511673131), we get a palindrome (674887788476).

The spelling of 131376115345 in words is "one hundred thirty-one billion, three hundred seventy-six million, one hundred fifteen thousand, three hundred forty-five".

Divisors: 1 5 17 23 85 115 391 1489 1955 7445 25313 34247 45131 126565 171235 225655 582199 767227 1038013 2910995 3836135 5190065 17646221 67200059 88231105 336000295 1142401003 1545601357 5712005015 7728006785 26275223069 131376115345