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12747713901 = 313521627379
BaseRepresentation
bin10111101111101001…
…01010110101101101
31012220102001221222220
423313310222311231
5202101403321101
65504535425553
7630620531436
oct136764526555
935812057886
1012747713901
11545183014a
1225792252b9
13128203b8a0
1488d05648d
154e921a636
hex2f7d2ad6d

12747713901 has 16 divisors (see below), whose sum is σ = 18339572160. Its totient is φ = 7829677440.

The previous prime is 12747713863. The next prime is 12747713903. The reversal of 12747713901 is 10931774721.

It is not a de Polignac number, because 12747713901 - 211 = 12747711853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12747713903) 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, 293371 + ... + 334008.

It is an arithmetic number, because the mean of its divisors is an integer number (1146223260).

Almost surely, 212747713901 is an apocalyptic number.

It is an amenable number.

12747713901 is a deficient number, since it is larger than the sum of its proper divisors (5591858259).

12747713901 is a wasteful number, since it uses less digits than its factorization.

12747713901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627916.

The product of its (nonzero) digits is 74088, while the sum is 42.

The spelling of 12747713901 in words is "twelve billion, seven hundred forty-seven million, seven hundred thirteen thousand, nine hundred one".

Divisors: 1 3 13 39 521 1563 6773 20319 627379 1882137 8155927 24467781 326864459 980593377 4249237967 12747713901