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210790430085 = 3515319178769
BaseRepresentation
bin1100010001010000010…
…1101011010110000101
3202011002100101022212010
43010110011223112011
511423144322230320
6240500310244433
721141404043564
oct3042405532605
9664070338763
10210790430085
1181439780014
1234a29356719
1316b539bb651
14a2b91dbbdb
15573a918ae0
hex311416b585

210790430085 has 16 divisors (see below), whose sum is σ = 337485015360. Its totient is φ = 112348120320.

The previous prime is 210790429961. The next prime is 210790430093. The reversal of 210790430085 is 580034097012.

It is not a de Polignac number, because 210790430085 - 27 = 210790429957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4566420 + ... + 4612349.

It is an arithmetic number, because the mean of its divisors is an integer number (21092813460).

Almost surely, 2210790430085 is an apocalyptic number.

It is an amenable number.

210790430085 is a deficient number, since it is larger than the sum of its proper divisors (126694585275).

210790430085 is a wasteful number, since it uses less digits than its factorization.

210790430085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180308.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 210790430085 in words is "two hundred ten billion, seven hundred ninety million, four hundred thirty thousand, eighty-five".

Divisors: 1 3 5 15 1531 4593 7655 22965 9178769 27536307 45893845 137681535 14052695339 42158086017 70263476695 210790430085