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12803463783 = 3211129327917
BaseRepresentation
bin10111110110010010…
…10101101001100111
31020001021222100110100
423323021111221213
5202210141320113
65514250355143
7632165434515
oct137311255147
936037870410
1012803463783
115480248930
122593a2bab3
13129075b196
148966094b5
154ee07dd73
hex2fb255a67

12803463783 has 12 divisors (see below), whose sum is σ = 20175155208. Its totient is φ = 7759674960.

The previous prime is 12803463767. The next prime is 12803463821. The reversal of 12803463783 is 38736430821.

12803463783 is a `hidden beast` number, since 1 + 2 + 8 + 0 + 3 + 4 + 637 + 8 + 3 = 666.

It is not a de Polignac number, because 12803463783 - 24 = 12803463767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12803463713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64663860 + ... + 64664057.

It is an arithmetic number, because the mean of its divisors is an integer number (1681262934).

Almost surely, 212803463783 is an apocalyptic number.

12803463783 is a deficient number, since it is larger than the sum of its proper divisors (7371691425).

12803463783 is a wasteful number, since it uses less digits than its factorization.

12803463783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129327934 (or 129327931 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 12803463783 in words is "twelve billion, eight hundred three million, four hundred sixty-three thousand, seven hundred eighty-three".

Divisors: 1 3 9 11 33 99 129327917 387983751 1163951253 1422607087 4267821261 12803463783