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1013849147 = 4751213397
BaseRepresentation
bin111100011011100…
…001110000111011
32121122201212120102
4330123201300323
54034021133042
6244334150015
734060401263
oct7433416073
92548655512
101013849147
11480322963
1224365230b
13132078a4c
14989147a3
155e019b32
hex3c6e1c3b

1013849147 has 4 divisors (see below), whose sum is σ = 1014067296. Its totient is φ = 1013631000.

The previous prime is 1013849143. The next prime is 1013849153. The reversal of 1013849147 is 7419483101.

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

It is a cyclic number.

It is not a de Polignac number, because 1013849147 - 22 = 1013849143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013849147.

It is not an unprimeable number, because it can be changed into a prime (1013849143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101948 + ... + 111449.

It is an arithmetic number, because the mean of its divisors is an integer number (253516824).

Almost surely, 21013849147 is an apocalyptic number.

1013849147 is a deficient number, since it is larger than the sum of its proper divisors (218149).

1013849147 is an equidigital number, since it uses as much as digits as its factorization.

1013849147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218148.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1013849147 is about 31840.9978957947. The cubic root of 1013849147 is about 1004.5952338149.

The spelling of 1013849147 in words is "one billion, thirteen million, eight hundred forty-nine thousand, one hundred forty-seven".

Divisors: 1 4751 213397 1013849147