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12710978853 = 319376027017
BaseRepresentation
bin10111101011010001…
…00010010100100101
31012210211221121222120
423311220202110211
5202013002310403
65501144220153
7626663352246
oct136550422445
935724847876
1012710978853
11543301a601
122568a6a659
131277549181
14888212ccd
154e5db0e53
hex2f5a22525

12710978853 has 16 divisors (see below), whose sum is σ = 18322134720. Its totient is φ = 7811012736.

The previous prime is 12710978831. The next prime is 12710978857. The reversal of 12710978853 is 35887901721.

It is not a de Polignac number, because 12710978853 - 29 = 12710978341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12710978796 and 12710978805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12710978857) 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, 3011400 + ... + 3015617.

It is an arithmetic number, because the mean of its divisors is an integer number (1145133420).

Almost surely, 212710978853 is an apocalyptic number.

It is an amenable number.

12710978853 is a deficient number, since it is larger than the sum of its proper divisors (5611155867).

12710978853 is a wasteful number, since it uses less digits than its factorization.

12710978853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027076.

The product of its (nonzero) digits is 846720, while the sum is 51.

The spelling of 12710978853 in words is "twelve billion, seven hundred ten million, nine hundred seventy-eight thousand, eight hundred fifty-three".

Divisors: 1 3 19 37 57 111 703 2109 6027017 18081051 114513323 222999629 343539969 668998887 4236992951 12710978853