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131376116474 = 21924128874969
BaseRepresentation
bin111101001011010100…
…0000111001011111010
3110120002211100012112122
41322112220013023322
54123024241211344
6140204154041242
712330423364511
oct1722650071372
9416084305478
10131376116474
1150797435879
1221565719222
13c509010335
146504161678
15363da8baee
hex1e96a072fa

131376116474 has 32 divisors (see below), whose sum is σ = 208410787200. Its totient is φ = 61938639360.

The previous prime is 131376116461. The next prime is 131376116479. The reversal of 131376116474 is 474611673131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131376116479) 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, 26436662 + ... + 26441630.

It is an arithmetic number, because the mean of its divisors is an integer number (6512837100).

Almost surely, 2131376116474 is an apocalyptic number.

131376116474 is a deficient number, since it is larger than the sum of its proper divisors (77034670726).

131376116474 is a wasteful number, since it uses less digits than its factorization.

131376116474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118.

The product of its digits is 254016, while the sum is 44.

The spelling of 131376116474 in words is "one hundred thirty-one billion, three hundred seventy-six million, one hundred sixteen thousand, four hundred seventy-four".

Divisors: 1 2 19 38 241 482 2887 4579 4969 5774 9158 9938 54853 94411 109706 188822 695767 1197529 1391534 2395058 13219573 14345503 22753051 26439146 28691006 45506102 272564557 545129114 3457266223 6914532446 65688058237 131376116474