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68876870875210 = 256887687087521
BaseRepresentation
bin11111010100100101001010…
…11010111111100001001010
3100000212120020120000201120101
433222102211122333201022
533011434312421001320
6402253333032320014
720336122032421546
oct1752224532774112
9300776216021511
1068876870875210
111aa45575aa1372
12788497084300a
132c580a419c298
14130193069aa26
157e69a372ac0a
hex3ea4a56bf84a

68876870875210 has 8 divisors (see below), whose sum is σ = 123978367575396. Its totient is φ = 27550748350080.

The previous prime is 68876870875157. The next prime is 68876870875259. The reversal of 68876870875210 is 1257807867886.

It can be written as a sum of positive squares in 2 ways, for example, as 64721751470289 + 4155119404921 = 8044983^2 + 2038411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3443843543751 + ... + 3443843543770.

Almost surely, 268876870875210 is an apocalyptic number.

68876870875210 is a deficient number, since it is larger than the sum of its proper divisors (55101496700186).

68876870875210 is a wasteful number, since it uses less digits than its factorization.

68876870875210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887687087528.

The product of its (nonzero) digits is 505774080, while the sum is 73.

The spelling of 68876870875210 in words is "sixty-eight trillion, eight hundred seventy-six billion, eight hundred seventy million, eight hundred seventy-five thousand, two hundred ten".

Divisors: 1 2 5 10 6887687087521 13775374175042 34438435437605 68876870875210