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13973560905 = 354312161417
BaseRepresentation
bin11010000001110001…
…11001111001001001
31100001211201102221210
431000320321321021
5212104212422110
610230325523333
71003164210423
oct150070717111
940054642853
1013973560905
115a20790147
12285b873549
131418cb2945
14967b93813
1556bb5e520
hex340e39e49

13973560905 has 16 divisors (see below), whose sum is σ = 22409581824. Its totient is φ = 7435271040.

The previous prime is 13973560897. The next prime is 13973560943. The reversal of 13973560905 is 50906537931.

It is not a de Polignac number, because 13973560905 - 23 = 13973560897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1074244 + ... + 1087173.

It is an arithmetic number, because the mean of its divisors is an integer number (1400598864).

Almost surely, 213973560905 is an apocalyptic number.

13973560905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13973560905 is a deficient number, since it is larger than the sum of its proper divisors (8436020919).

13973560905 is a wasteful number, since it uses less digits than its factorization.

13973560905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161856.

The product of its (nonzero) digits is 765450, while the sum is 48.

The spelling of 13973560905 in words is "thirteen billion, nine hundred seventy-three million, five hundred sixty thousand, nine hundred five".

Divisors: 1 3 5 15 431 1293 2155 6465 2161417 6484251 10807085 32421255 931570727 2794712181 4657853635 13973560905