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131280118132 = 22591530736341
BaseRepresentation
bin111101001000011100…
…1111010000101110100
3110112212010200222120111
41322100321322011310
54122330202240012
6140150444312404
712325146410122
oct1722071720564
9415763628514
10131280118132
11507482278a9
1221539542704
13c4c216b097
1464d54d2912
153635427ba7
hex1e90e7a174

131280118132 has 24 divisors (see below), whose sum is σ = 233655801120. Its totient is φ = 64521524640.

The previous prime is 131280118127. The next prime is 131280118171. The reversal of 131280118132 is 231811082131.

It is a junction number, because it is equal to n+sod(n) for n = 131280118094 and 131280118103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3594282 + ... + 3630622.

It is an arithmetic number, because the mean of its divisors is an integer number (9735658380).

Almost surely, 2131280118132 is an apocalyptic number.

It is an amenable number.

131280118132 is a deficient number, since it is larger than the sum of its proper divisors (102375682988).

131280118132 is a wasteful number, since it uses less digits than its factorization.

131280118132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51711 (or 51709 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 131280118132 in words is "one hundred thirty-one billion, two hundred eighty million, one hundred eighteen thousand, one hundred thirty-two".

Divisors: 1 2 4 59 118 236 15307 30614 36341 61228 72682 145364 903113 1806226 2144119 3612452 4288238 8576476 556271687 1112543374 2225086748 32820029533 65640059066 131280118132