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12688583491486 = 276411413927289
BaseRepresentation
bin1011100010100100101010…
…0000101111111110011110
31122221000110012101210000201
42320221022200233332132
53130342204333211421
642553015500014114
72446501633063450
oct270511240577636
948830405353021
1012688583491486
11405221a6546a1
12150b170b3133a
137106b3860736
1431c1b89922d0
151700d4ab3b91
hexb8a4a82ff9e

12688583491486 has 16 divisors (see below), whose sum is σ = 21785791684320. Its totient is φ = 5429480785920.

The previous prime is 12688583491477. The next prime is 12688583491561. The reversal of 12688583491486 is 68419438588621.

It is a super-2 number, since 2×126885834914862 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706954671 + ... + 706972618.

It is an arithmetic number, because the mean of its divisors is an integer number (1361611980270).

Almost surely, 212688583491486 is an apocalyptic number.

12688583491486 is a deficient number, since it is larger than the sum of its proper divisors (9097208192834).

12688583491486 is a wasteful number, since it uses less digits than its factorization.

12688583491486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413927939.

The product of its digits is 637009920, while the sum is 73.

The spelling of 12688583491486 in words is "twelve trillion, six hundred eighty-eight billion, five hundred eighty-three million, four hundred ninety-one thousand, four hundred eighty-six".

Divisors: 1 2 7 14 641 1282 4487 8974 1413927289 2827854578 9897491023 19794982046 906327392249 1812654784498 6344291745743 12688583491486