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12787968412783 = 292631676670829
BaseRepresentation
bin1011101000010110111001…
…0100001000110001101111
31200021111222111122212220201
42322011232110020301233
53134004224403202113
643110413411454331
72456620531011544
oct272055624106157
950244874585821
1012787968412783
11409038a872a93
1215264888b73a7
13719b91ac5185
14322d26062bcb
1517299ed02cdd
hexba16e508c6f

12787968412783 has 8 divisors (see below), whose sum is σ = 13279232973600. Its totient is φ = 12300057194208.

The previous prime is 12787968412777. The next prime is 12787968412787. The reversal of 12787968412783 is 38721486978721.

12787968412783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12787968412783 - 213 = 12787968404591 is a prime.

It is a super-2 number, since 2×127879684127832 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12787968412787) 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, 838327788 + ... + 838343041.

It is an arithmetic number, because the mean of its divisors is an integer number (1659904121700).

Almost surely, 212787968412783 is an apocalyptic number.

12787968412783 is a deficient number, since it is larger than the sum of its proper divisors (491264560817).

12787968412783 is a wasteful number, since it uses less digits than its factorization.

12787968412783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676671121.

The product of its digits is 455196672, while the sum is 73.

The spelling of 12787968412783 in words is "twelve trillion, seven hundred eighty-seven billion, nine hundred sixty-eight million, four hundred twelve thousand, seven hundred eighty-three".

Divisors: 1 29 263 7627 1676670829 48623454041 440964428027 12787968412783