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13102971904 = 210112105751
BaseRepresentation
bin11000011001111111…
…10111110000000000
31020211011112221100201
430030333313300000
5203313330100104
610004110054544
7642463265161
oct141477676000
936734487321
1013102971904
115614316800
1226581aa454
13130a816119
148c42d1768
1551a4e20a4
hex30cff7c00

13102971904 has 66 divisors (see below), whose sum is σ = 28791087752. Its totient is φ = 5955840000.

The previous prime is 13102971853. The next prime is 13102971907. The reversal of 13102971904 is 40917920131.

13102971904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a pancake number, because a pancake can be divided into 13102971904 parts by 161882 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102971907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71029 + ... + 176779.

Almost surely, 213102971904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13102971904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14395543876).

13102971904 is an abundant number, since it is smaller than the sum of its proper divisors (15688115848).

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

13102971904 is a wasteful number, since it uses less digits than its factorization.

13102971904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105793 (or 105764 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 13102971904 in words is "thirteen billion, one hundred two million, nine hundred seventy-one thousand, nine hundred four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 484 512 704 968 1024 1408 1936 2816 3872 5632 7744 11264 15488 30976 61952 105751 123904 211502 423004 846008 1163261 1692016 2326522 3384032 4653044 6768064 9306088 12795871 13536128 18612176 25591742 27072256 37224352 51183484 54144512 74448704 102366968 108289024 148897408 204733936 297794816 409467872 595589632 818935744 1191179264 1637871488 3275742976 6551485952 13102971904