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2639513258890 = 25432716099959
BaseRepresentation
bin100110011010001111010…
…000000000101110001010
3100100100001012212102200021
4212122033100000232022
5321221210343241030
65340324201331054
7361461412341424
oct46321720005612
910310035772607
102639513258890
11928458471642
1236767b796a8a
13161b9c482031
1491a787db814
15489d6c3797a
hex2668f400b8a

2639513258890 has 16 divisors (see below), whose sum is σ = 4751234444160. Its totient is φ = 1055780730640.

The previous prime is 2639513258887. The next prime is 2639513258903. The reversal of 2639513258890 is 988523159362.

It is a super-2 number, since 2×26395132588902 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2617270 + ... + 3482689.

It is an arithmetic number, because the mean of its divisors is an integer number (296952152760).

Almost surely, 22639513258890 is an apocalyptic number.

2639513258890 is a deficient number, since it is larger than the sum of its proper divisors (2111721185270).

2639513258890 is a wasteful number, since it uses less digits than its factorization.

2639513258890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143237.

The product of its (nonzero) digits is 27993600, while the sum is 61.

The spelling of 2639513258890 in words is "two trillion, six hundred thirty-nine billion, five hundred thirteen million, two hundred fifty-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 43271 86542 216355 432710 6099959 12199918 30499795 60999590 263951325889 527902651778 1319756629445 2639513258890