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68367367051872 = 2537101737153351
BaseRepresentation
bin11111000101110000001001…
…01000001001101001100000
322222001212010100200202121220
433202320010220021221200
532430112331431124442
6401223311305215040
720254244042401350
oct1742700450115140
9288055110622556
1068367367051872
111a86948a404819
127802078a91480
132c1c0270aab05
1412c4dd9192b60
157d85d3599eec
hex3e2e04a09a60

68367367051872 has 48 divisors (see below), whose sum is σ = 205102101157632. Its totient is φ = 19533533443200.

The previous prime is 68367367051871. The next prime is 68367367051957. The reversal of 68367367051872 is 27815076376386.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 68367367051797 and 68367367051806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68367367051871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50868576004 + ... + 50868577347.

It is an arithmetic number, because the mean of its divisors is an integer number (4272960440784).

Almost surely, 268367367051872 is an apocalyptic number.

It is an amenable number.

68367367051872 is an abundant number, since it is smaller than the sum of its proper divisors (136734734105760).

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

68367367051872 is a wasteful number, since it uses less digits than its factorization.

68367367051872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101737153371 (or 101737153363 counting only the distinct ones).

The product of its (nonzero) digits is 426746880, while the sum is 69.

The spelling of 68367367051872 in words is "sixty-eight trillion, three hundred sixty-seven billion, three hundred sixty-seven million, fifty-one thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 101737153351 203474306702 305211460053 406948613404 610422920106 712160073457 813897226808 1220845840212 1424320146914 1627794453616 2136480220371 2441691680424 2848640293828 3255588907232 4272960440742 4883383360848 5697280587656 8545920881484 9766766721696 11394561175312 17091841762968 22789122350624 34183683525936 68367367051872