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10143464979 = 33381154993
BaseRepresentation
bin10010111001001100…
…01111111000010011
3222011220201102002010
421130212033320103
5131233211334404
64354305354003
7506236013124
oct113446177023
928156642063
1010143464979
1143357a340a
121b71038903
13c5863b9ab
146c322a04b
153e579b189
hex25c98fe13

10143464979 has 4 divisors (see below), whose sum is σ = 13524619976. Its totient is φ = 6762309984.

The previous prime is 10143464959. The next prime is 10143464999. The reversal of 10143464979 is 97946434101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10143464959) and next prime (10143464999).

It is not a de Polignac number, because 10143464979 - 29 = 10143464467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10143464959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690577494 + ... + 1690577499.

It is an arithmetic number, because the mean of its divisors is an integer number (3381154994).

Almost surely, 210143464979 is an apocalyptic number.

10143464979 is a deficient number, since it is larger than the sum of its proper divisors (3381154997).

10143464979 is an equidigital number, since it uses as much as digits as its factorization.

10143464979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381154996.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 10143464979 in words is "ten billion, one hundred forty-three million, four hundred sixty-four thousand, nine hundred seventy-nine".

Divisors: 1 3 3381154993 10143464979