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68658606146688 = 273178798453507
BaseRepresentation
bin11111001110001110100111…
…10101001000010010000000
3100000002200212022102200210020
433213013103311020102000
532444400311133143223
6402005154521533440
720314264160015265
oct1747072365102200
9300080768380706
1068658606146688
111a970a51275308
12784a5b8344280
132c4062bb5124c
1412d514695b26c
157e0e7ba5a1e3
hex3e71d3d48480

68658606146688 has 32 divisors (see below), whose sum is σ = 182374422578160. Its totient is φ = 22886202048768.

The previous prime is 68658606146651. The next prime is 68658606146717. The reversal of 68658606146688 is 88664160685686.

It is a tau number, because it is divible by the number of its divisors (32).

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, 89399226370 + ... + 89399227137.

Almost surely, 268658606146688 is an apocalyptic number.

It is an amenable number.

68658606146688 is an abundant number, since it is smaller than the sum of its proper divisors (113715816431472).

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

68658606146688 is a wasteful number, since it uses less digits than its factorization.

68658606146688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178798453524 (or 178798453512 counting only the distinct ones).

The product of its (nonzero) digits is 3822059520, while the sum is 78.

The spelling of 68658606146688 in words is "sixty-eight trillion, six hundred fifty-eight billion, six hundred six million, one hundred forty-six thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 178798453507 357596907014 536395360521 715193814028 1072790721042 1430387628056 2145581442084 2860775256112 4291162884168 5721550512224 8582325768336 11443101024448 17164651536672 22886202048896 34329303073344 68658606146688