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13003971108 = 2231957034961
BaseRepresentation
bin11000001110001100…
…01101101000100100
31020120021021011210120
430013012031220210
5203113004033413
65550212121540
7640151634132
oct140706155044
936507234716
1013003971108
115573447a67
12262b0062b0
1312c316237b
148b50c0752
15511988723
hex30718da24

13003971108 has 24 divisors (see below), whose sum is σ = 31939578720. Its totient is φ = 4106517120.

The previous prime is 13003971077. The next prime is 13003971121. The reversal of 13003971108 is 80117930031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28517253 + ... + 28517708.

It is an arithmetic number, because the mean of its divisors is an integer number (1330815780).

Almost surely, 213003971108 is an apocalyptic number.

It is an amenable number.

13003971108 is an abundant number, since it is smaller than the sum of its proper divisors (18935607612).

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

13003971108 is a wasteful number, since it uses less digits than its factorization.

13003971108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57034987 (or 57034985 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The spelling of 13003971108 in words is "thirteen billion, three million, nine hundred seventy-one thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 57034961 114069922 171104883 228139844 342209766 684419532 1083664259 2167328518 3250992777 4334657036 6501985554 13003971108