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12701930904 = 23321313570439
BaseRepresentation
bin10111101010001100…
…00001010110011000
31012210012220221112100
423311012001112120
5202003143242104
65500222243400
7626523426345
oct136506012630
935705827470
1012701930904
1154289aa763
122565a26560
1312756cba60
14886d397cc
154e51c5139
hex2f5181598

12701930904 has 48 divisors (see below), whose sum is σ = 37047301200. Its totient is φ = 3908286144.

The previous prime is 12701930887. The next prime is 12701930909. The reversal of 12701930904 is 40903910721.

It is a super-2 number, since 2×127019309042 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12701930909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6784284 + ... + 6786155.

It is an arithmetic number, because the mean of its divisors is an integer number (771818775).

Almost surely, 212701930904 is an apocalyptic number.

It is an amenable number.

12701930904 is an abundant number, since it is smaller than the sum of its proper divisors (24345370296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12701930904 is a wasteful number, since it uses less digits than its factorization.

12701930904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13570464 (or 13570457 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 12701930904 in words is "twelve billion, seven hundred one million, nine hundred thirty thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 13570439 27140878 40711317 54281756 81422634 108563512 122133951 162845268 176415707 244267902 325690536 352831414 488535804 529247121 705662828 977071608 1058494242 1411325656 1587741363 2116988484 3175482726 4233976968 6350965452 12701930904