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42907560621 = 343332616749
BaseRepresentation
bin100111111101011111…
…010110101010101101
311002202022010220211220
4213331133112222231
51200333313414441
631413401533553
73046201150632
oct477537265255
9132668126756
1042907560621
1117219221402
1283957a42b9
13407a56c733
1421107d0189
1511b1dbb466
hex9fd7d6aad

42907560621 has 8 divisors (see below), whose sum is σ = 58540548000. Its totient is φ = 27939806832.

The previous prime is 42907560593. The next prime is 42907560623. The reversal of 42907560621 is 12606570924.

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

It is not a de Polignac number, because 42907560621 - 26 = 42907560557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42907560623) 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, 166308246 + ... + 166308503.

It is an arithmetic number, because the mean of its divisors is an integer number (7317568500).

Almost surely, 242907560621 is an apocalyptic number.

It is an amenable number.

42907560621 is a deficient number, since it is larger than the sum of its proper divisors (15632987379).

42907560621 is a wasteful number, since it uses less digits than its factorization.

42907560621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332616795.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 42907560621 in words is "forty-two billion, nine hundred seven million, five hundred sixty thousand, six hundred twenty-one".

Divisors: 1 3 43 129 332616749 997850247 14302520207 42907560621