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68086975410 = 2335252173983
BaseRepresentation
bin111111011010010011…
…001100101110110010
320111202002122201111000
4333122103030232302
52103420231203120
651140112102430
74630154512326
oct773223145662
9214662581430
1068086975410
112696a360413
1211242234a16
13656100363c
14341c91b986
151b876cd990
hexfda4ccbb2

68086975410 has 32 divisors (see below), whose sum is σ = 181565268480. Its totient is φ = 18156526704.

The previous prime is 68086975409. The next prime is 68086975427. The reversal of 68086975410 is 1457968086.

68086975410 is a `hidden beast` number, since 6 + 8 + 0 + 8 + 6 + 97 + 541 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126086722 + ... + 126087261.

It is an arithmetic number, because the mean of its divisors is an integer number (5673914640).

Almost surely, 268086975410 is an apocalyptic number.

68086975410 is an abundant number, since it is smaller than the sum of its proper divisors (113478293070).

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

68086975410 is a wasteful number, since it uses less digits than its factorization.

68086975410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252173999 (or 252173993 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 68086975410 in words is "sixty-eight billion, eighty-six million, nine hundred seventy-five thousand, four hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 252173983 504347966 756521949 1260869915 1513043898 2269565847 2521739830 3782609745 4539131694 6808697541 7565219490 11347829235 13617395082 22695658470 34043487705 68086975410