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106868661618656 = 257477092239369
BaseRepresentation
bin11000010011001001001100…
…100111010000011111100000
3112000101112200202221102222202
4120103021030213100133200
5103001414004333244111
61015142441350552332
731340002026450620
oct3023111447203740
9460345622842882
10106868661618656
1131062821472703
12bb9ba426686a8
134782896513c12
141c56683d0a880
15c54d748d7b3b
hex61324c9d07e0

106868661618656 has 24 divisors (see below), whose sum is σ = 240454488642480. Its totient is φ = 45800854979328.

The previous prime is 106868661618611. The next prime is 106868661618671. The reversal of 106868661618656 is 656816166868601.

It is a super-2 number, since 2×1068686616186562 (a number of 29 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 3 ways as a sum of consecutive naturals, for example, 238546119461 + ... + 238546119908.

It is an arithmetic number, because the mean of its divisors is an integer number (10018937026770).

Almost surely, 2106868661618656 is an apocalyptic number.

106868661618656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

106868661618656 is an abundant number, since it is smaller than the sum of its proper divisors (133585827023824).

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

106868661618656 is an equidigital number, since it uses as much as digits as its factorization.

106868661618656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477092239386 (or 477092239378 counting only the distinct ones).

The product of its (nonzero) digits is 716636160, while the sum is 74.

The spelling of 106868661618656 in words is "one hundred six trillion, eight hundred sixty-eight billion, six hundred sixty-one million, six hundred eighteen thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 477092239369 954184478738 1908368957476 3339645675583 3816737914952 6679291351166 7633475829904 13358582702332 15266951659808 26717165404664 53434330809328 106868661618656