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131240121124404 = 22315787877792703
BaseRepresentation
bin11101110101110010111000…
…110011001100011000110100
3122012200102200200200200200210
4131311302320303030120310
5114200214232001440104
61143042513533305420
736433533355301625
oct3565627063143064
9565612620620623
10131240121124404
11388a9693a51976
121287726b035270
13582cb76051096
14245a0acdc3a4c
151028ccb6e4989
hex775cb8ccc634

131240121124404 has 48 divisors (see below), whose sum is σ = 308181335103488. Its totient is φ = 43467516114048.

The previous prime is 131240121124339. The next prime is 131240121124417. The reversal of 131240121124404 is 404421121042131.

It is a super-3 number, since 3×1312401211244043 (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165163917 + ... + 165956619.

Almost surely, 2131240121124404 is an apocalyptic number.

It is an amenable number.

131240121124404 is an abundant number, since it is smaller than the sum of its proper divisors (176941213979084).

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

131240121124404 is a wasteful number, since it uses less digits than its factorization.

131240121124404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880744 (or 880742 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 131240121124404 its reverse (404421121042131), we get a palindrome (535661242166535).

The spelling of 131240121124404 in words is "one hundred thirty-one trillion, two hundred forty billion, one hundred twenty-one million, one hundred twenty-four thousand, four hundred four".

Divisors: 1 2 3 4 6 12 157 314 471 628 942 1884 87877 175754 263631 351508 527262 792703 1054524 1585406 2378109 3170812 4756218 9512436 13796689 27593378 41390067 55186756 82780134 124454371 165560268 248908742 373363113 497817484 746726226 1493452452 69660361531 139320723062 208981084593 278641446124 417962169186 835924338372 10936676760367 21873353520734 32810030281101 43746707041468 65620060562202 131240121124404