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42364660631 = 712716613331
BaseRepresentation
bin100111011101001000…
…010110101110010111
311001100110120202001212
4213131020112232113
51143230323120011
631243445412035
73026556450056
oct473510265627
9131313522055
1042364660631
1116a6a823627
128263a0a01b
133cc1c46b37
14209c66c39d
15117e3cc08b
hex9dd216b97

42364660631 has 16 divisors (see below), whose sum is σ = 43198073856. Its totient is φ = 41538420000.

The previous prime is 42364660537. The next prime is 42364660649. The reversal of 42364660631 is 13606646324.

It is a cyclic number.

It is not a de Polignac number, because 42364660631 - 210 = 42364659607 is a prime.

It is a super-2 number, since 2×423646606312 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42364660691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12716636 + ... + 12719966.

It is an arithmetic number, because the mean of its divisors is an integer number (2699879616).

Almost surely, 242364660631 is an apocalyptic number.

42364660631 is a deficient number, since it is larger than the sum of its proper divisors (833413225).

42364660631 is a wasteful number, since it uses less digits than its factorization.

42364660631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 42364660631 in words is "forty-two billion, three hundred sixty-four million, six hundred sixty thousand, six hundred thirty-one".

Divisors: 1 71 271 661 3331 19241 46931 179131 236501 902701 2201791 12718301 64091771 156327161 596685361 42364660631