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13959748788 = 2231163312399
BaseRepresentation
bin11010000000001000…
…01101110010110100
31100000212201201021220
431000010031302310
5212042143430123
610225113510340
71002635623026
oct150004156264
940025651256
1013959748788
115a13a06977
1228571123b0
131416187bab
14965dda016
1556a831ce3
hex34010dcb4

13959748788 has 12 divisors (see below), whose sum is σ = 32572747200. Its totient is φ = 4653249592.

The previous prime is 13959748783. The next prime is 13959748841. The reversal of 13959748788 is 88784795931.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13959748783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581656188 + ... + 581656211.

It is an arithmetic number, because the mean of its divisors is an integer number (2714395600).

Almost surely, 213959748788 is an apocalyptic number.

It is an amenable number.

13959748788 is an abundant number, since it is smaller than the sum of its proper divisors (18612998412).

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

13959748788 is a wasteful number, since it uses less digits than its factorization.

13959748788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163312406 (or 1163312404 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 69.

The spelling of 13959748788 in words is "thirteen billion, nine hundred fifty-nine million, seven hundred forty-eight thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 1163312399 2326624798 3489937197 4653249596 6979874394 13959748788