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2631198144239 = 72296192991361
BaseRepresentation
bin100110010010011111101…
…000010111011011101111
3100022112120201111211201222
4212102133220113123233
5321102143211103424
65332431123453555
7361045354130600
oct46223750273357
910275521454658
102631198144239
11924980836965
12365b3ab272bb
1316117587b552
14914ca347da7
154869bc44e5e
hex2649fa176ef

2631198144239 has 24 divisors (see below), whose sum is σ = 3171441992400. Its totient is φ = 2174024724480.

The previous prime is 2631198144229. The next prime is 2631198144269. The reversal of 2631198144239 is 9324418911362.

It is not a de Polignac number, because 2631198144239 - 212 = 2631198140143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631198144229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616082 + ... + 2375279.

It is an arithmetic number, because the mean of its divisors is an integer number (132143416350).

Almost surely, 22631198144239 is an apocalyptic number.

2631198144239 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2631198144239 is a deficient number, since it is larger than the sum of its proper divisors (540243848161).

2631198144239 is a wasteful number, since it uses less digits than its factorization.

2631198144239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992023 (or 2992016 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The spelling of 2631198144239 in words is "two trillion, six hundred thirty-one billion, one hundred ninety-eight million, one hundred forty-four thousand, two hundred thirty-nine".

Divisors: 1 7 29 49 203 619 1421 4333 17951 30331 125657 879599 2991361 20939527 86749469 146576689 607246283 1851652459 4250723981 12961567213 53697921311 90730970491 375885449177 2631198144239