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6649396214982 = 234857772281361
BaseRepresentation
bin110000011000010111011…
…1001100011110011000110
3212112200020212002022200020
41200300232321203303012
51332420430412334412
622050405045400010
71254255144156603
oct140605671436306
925480225068606
106649396214982
112133aa18a5414
128b4845409006
1339305c937681
1418db925136aa
15b7e7568118c
hex60c2ee63cc6

6649396214982 has 16 divisors (see below), whose sum is σ = 13298825635632. Its totient is φ = 2216459870720.

The previous prime is 6649396214893. The next prime is 6649396214999. The reversal of 6649396214982 is 2894126939466.

It is a super-2 number, since 2×66493962149822 (a number of 26 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, 1773982 + ... + 4055342.

It is an arithmetic number, because the mean of its divisors is an integer number (831176602227).

Almost surely, 26649396214982 is an apocalyptic number.

6649396214982 is an abundant number, since it is smaller than the sum of its proper divisors (6649429420650).

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

6649396214982 is a wasteful number, since it uses less digits than its factorization.

6649396214982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767143.

The product of its digits is 241864704, while the sum is 69.

The spelling of 6649396214982 in words is "six trillion, six hundred forty-nine billion, three hundred ninety-six million, two hundred fourteen thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 485777 971554 1457331 2281361 2914662 4562722 6844083 13688166 1108232702497 2216465404994 3324698107491 6649396214982