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6961335638042 = 213761972529193
BaseRepresentation
bin110010101001100111111…
…1100000001100000011010
3220122111102110010212211102
41211103033330001200122
51403023303410404132
622445554330031402
71315640246416652
oct145231774014032
926574373125742
106961335638042
1122443165389a5
129451a1278562
133b65b31ab346
141a0d051c5362
15c11310e6c62
hex654cff0181a

6961335638042 has 8 divisors (see below), whose sum is σ = 10442015173236. Its totient is φ = 3480663913632.

The previous prime is 6961335638029. The next prime is 6961335638077. The reversal of 6961335638042 is 2408365331696.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6097348656961 + 863986981081 = 2469281^2 + 929509^2 .

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, 1487798 + ... + 4016990.

Almost surely, 26961335638042 is an apocalyptic number.

6961335638042 is a deficient number, since it is larger than the sum of its proper divisors (3480679535194).

6961335638042 is a wasteful number, since it uses less digits than its factorization.

6961335638042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905392.

The product of its (nonzero) digits is 16796160, while the sum is 56.

The spelling of 6961335638042 in words is "six trillion, nine hundred sixty-one billion, three hundred thirty-five million, six hundred thirty-eight thousand, forty-two".

Divisors: 1 2 1376197 2529193 2752394 5058386 3480667819021 6961335638042