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8512693972153 = 71216099138879
BaseRepresentation
bin111101111100000010000…
…0110011010110010111001
31010010210202021112201021121
41323320010012122302321
52103432444124102103
630034402211105241
71536010330610020
oct173700406326271
933123667481247
108512693972153
112792238904908
12b55997ba2221
134999888b5257
142160337298b7
15eb67c1ea6bd
hex7be0419acb9

8512693972153 has 4 divisors (see below), whose sum is σ = 9728793111040. Its totient is φ = 7296594833268.

The previous prime is 8512693972049. The next prime is 8512693972163. The reversal of 8512693972153 is 3512793962158.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8512693972153 - 29 = 8512693971641 is a prime.

It is a super-2 number, since 2×85126939721532 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8512693972091 and 8512693972100.

It is not an unprimeable number, because it can be changed into a prime (8512693972163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608049569433 + ... + 608049569446.

It is an arithmetic number, because the mean of its divisors is an integer number (2432198277760).

Almost surely, 28512693972153 is an apocalyptic number.

It is an amenable number.

8512693972153 is a deficient number, since it is larger than the sum of its proper divisors (1216099138887).

8512693972153 is a wasteful number, since it uses less digits than its factorization.

8512693972153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216099138886.

The product of its digits is 24494400, while the sum is 61.

The spelling of 8512693972153 in words is "eight trillion, five hundred twelve billion, six hundred ninety-three million, nine hundred seventy-two thousand, one hundred fifty-three".

Divisors: 1 7 1216099138879 8512693972153