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131350530542242 = 21189286972337667
BaseRepresentation
bin11101110111011001101101…
…101101101100101010100010
3122020001222200022111020202111
4131313121231231230222202
5114204021341304322432
61143205333430305534
736444522411000244
oct3567315555545242
9566058608436674
10131350530542242
11389414a120a730
1212894742ab82aa
13583a3c030915b
142461584700094
15102bade711347
hex77766db6caa2

131350530542242 has 32 divisors (see below), whose sum is σ = 217359923895360. Its totient is φ = 59031863911680.

The previous prime is 131350530542239. The next prime is 131350530542243. The reversal of 131350530542242 is 242245035053131.

It is a junction number, because it is equal to n+sod(n) for n = 131350530542195 and 131350530542204.

It is not an unprimeable number, because it can be changed into a prime (131350530542243) 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, 55019893 + ... + 57357559.

It is an arithmetic number, because the mean of its divisors is an integer number (6792497621730).

Almost surely, 2131350530542242 is an apocalyptic number.

131350530542242 is a deficient number, since it is larger than the sum of its proper divisors (86009393353118).

131350530542242 is a wasteful number, since it uses less digits than its factorization.

131350530542242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366466.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 131350530542242 its reverse (242245035053131), we get a palindrome (373595565595373).

The spelling of 131350530542242 in words is "one hundred thirty-one trillion, three hundred fifty billion, five hundred thirty million, five hundred forty-two thousand, two hundred forty-two".

Divisors: 1 2 11 22 89 178 979 1958 28697 57394 315667 631334 2337667 2554033 4675334 5108066 25714337 28094363 51428674 56188726 208052363 416104726 2288575993 4577151986 67084029899 134168059798 737924328889 1475848657778 5970478661011 11940957322022 65675265271121 131350530542242