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8640930406175 = 52390001886247
BaseRepresentation
bin111110110111101111110…
…0101100101111100011111
31010121001202022000112011222
41331233133211211330133
52113033111140444200
630213331051003555
71551200211403424
oct175573745457437
933531668015158
108640930406175
112831663a447a1
12b768061395bb
134a8ab42b5402
1421c31a8c3d4b
15eeb85300d85
hex7dbdf965f1f

8640930406175 has 12 divisors (see below), whose sum is σ = 10714793267376. Its totient is φ = 6912718800000.

The previous prime is 8640930406153. The next prime is 8640930406177. The reversal of 8640930406175 is 5716040390468.

It is not a de Polignac number, because 8640930406175 - 26 = 8640930406111 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8640930406177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9306902 + ... + 10193148.

It is an arithmetic number, because the mean of its divisors is an integer number (892899438948).

Almost surely, 28640930406175 is an apocalyptic number.

8640930406175 is a deficient number, since it is larger than the sum of its proper divisors (2073862861201).

8640930406175 is a wasteful number, since it uses less digits than its factorization.

8640930406175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276258 (or 1276253 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 8640930406175 in words is "eight trillion, six hundred forty billion, nine hundred thirty million, four hundred six thousand, one hundred seventy-five".

Divisors: 1 5 25 390001 886247 1950005 4431235 9750025 22156175 345637216247 1728186081235 8640930406175