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131200233010 = 257111031654271
BaseRepresentation
bin111101000110000100…
…1001010111000110010
3110112122120101101210021
41322030021022320302
54122144224424020
6140134512154054
712323156402650
oct1721411127062
9415576341707
10131200233010
1150707124a40
122151683892a
13c4ab74b092
1464c8a59dd0
15362d3e81aa
hex1e8c24ae32

131200233010 has 64 divisors (see below), whose sum is σ = 297292529664. Its totient is φ = 40496529600.

The previous prime is 131200232983. The next prime is 131200233013. The reversal of 131200233010 is 10332002131.

It is a super-2 number, since 2×1312002330102 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131200233013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 747826 + ... + 906445.

It is an arithmetic number, because the mean of its divisors is an integer number (4645195776).

Almost surely, 2131200233010 is an apocalyptic number.

131200233010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131200233010 is an abundant number, since it is smaller than the sum of its proper divisors (166092296654).

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

131200233010 is a wasteful number, since it uses less digits than its factorization.

131200233010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654399.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 131200233010 its reverse (10332002131), we get a palindrome (141532235141).

The spelling of 131200233010 in words is "one hundred thirty-one billion, two hundred million, two hundred thirty-three thousand, ten".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 103 110 154 206 385 515 721 770 1030 1133 1442 2266 3605 5665 7210 7931 11330 15862 39655 79310 1654271 3308542 8271355 11579897 16542710 18196981 23159794 36393962 57899485 90984905 115798970 127378867 170389913 181969810 254757734 340779826 636894335 851949565 1192729391 1273788670 1703899130 1874289043 2385458782 3748578086 5963646955 9371445215 11927293910 13120023301 18742890430 26240046602 65600116505 131200233010