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131243140110 = 235191931193011
BaseRepresentation
bin111101000111010110…
…0110110010000001110
3110112202120010022021010
41322032230312100032
54122241220440420
6140143043550050
712324220166355
oct1721654662016
9415676108233
10131243140110
1150729370755
122152908b326
13c4b75c1bb4
1464d062899c
1536320714e0
hex1e8eb3640e

131243140110 has 64 divisors (see below), whose sum is σ = 333279832320. Its totient is φ = 32984340480.

The previous prime is 131243140097. The next prime is 131243140117. The reversal of 131243140110 is 11041342131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131243140117) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 486496 + ... + 706515.

It is an arithmetic number, because the mean of its divisors is an integer number (5207497380).

Almost surely, 2131243140110 is an apocalyptic number.

131243140110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131243140110 is an abundant number, since it is smaller than the sum of its proper divisors (202036692210).

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

131243140110 is a wasteful number, since it uses less digits than its factorization.

131243140110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193233.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 131243140110 its reverse (11041342131), we get a palindrome (142284482241).

The spelling of 131243140110 in words is "one hundred thirty-one billion, two hundred forty-three million, one hundred forty thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 193 285 386 570 579 965 1158 1930 2895 3667 5790 7334 11001 18335 22002 36670 55005 110010 1193011 2386022 3579033 5965055 7158066 11930110 17895165 22667209 35790330 45334418 68001627 113336045 136003254 226672090 230251123 340008135 460502246 680016270 690753369 1151255615 1381506738 2302511230 3453766845 4374771337 6907533690 8749542674 13124314011 21873856685 26248628022 43747713370 65621570055 131243140110