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12892978803 = 3531076311201
BaseRepresentation
bin11000000000111101…
…10011111001110011
31020021112102011222110
430000132303321303
5202401100310203
65531205140403
7634333340325
oct140036637163
936245364873
1012892978803
115516828891
1225b99ba703
1312a6170453
148a446b615
15506d61d03
hex3007b3e73

12892978803 has 32 divisors (see below), whose sum is σ = 17721441792. Its totient is φ = 8334144000.

The previous prime is 12892978801. The next prime is 12892978817. The reversal of 12892978803 is 30887929821.

It is not a de Polignac number, because 12892978803 - 21 = 12892978801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12892978801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10734603 + ... + 10735803.

It is an arithmetic number, because the mean of its divisors is an integer number (553795056).

Almost surely, 212892978803 is an apocalyptic number.

12892978803 is a deficient number, since it is larger than the sum of its proper divisors (4828462989).

12892978803 is a wasteful number, since it uses less digits than its factorization.

12892978803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995.

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 12892978803 in words is "twelve billion, eight hundred ninety-two million, nine hundred seventy-eight thousand, eight hundred three".

Divisors: 1 3 53 107 159 321 631 1201 1893 3603 5671 17013 33443 63653 67517 100329 128507 190959 202551 385521 757831 2273493 3578401 6810871 10735203 20432613 40165043 81087917 120495129 243263751 4297659601 12892978803