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13040209772 = 223978211719
BaseRepresentation
bin11000010010100000…
…11100111101101100
31020122210110021220022
430021100130331230
5203201243203042
65553544541312
7641101645202
oct141120347554
936583407808
1013040209772
115591949677
12263b181838
1312ca80cb75
148b9c35072
15514c45cd2
hex30941cf6c

13040209772 has 12 divisors (see below), whose sum is σ = 22877851920. Its totient is φ = 6503680656.

The previous prime is 13040209757. The next prime is 13040209783. The reversal of 13040209772 is 27790204031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4104272 + ... + 4107447.

It is an arithmetic number, because the mean of its divisors is an integer number (1906487660).

Almost surely, 213040209772 is an apocalyptic number.

It is an amenable number.

13040209772 is a deficient number, since it is larger than the sum of its proper divisors (9837642148).

13040209772 is a wasteful number, since it uses less digits than its factorization.

13040209772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8212120 (or 8212118 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 13040209772 in words is "thirteen billion, forty million, two hundred nine thousand, seven hundred seventy-two".

Divisors: 1 2 4 397 794 1588 8211719 16423438 32846876 3260052443 6520104886 13040209772