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13047948629 = 29034494643
BaseRepresentation
bin11000010011011011…
…11110010101010101
31020200100000110121122
430021231332111111
5203210233324004
65554422453325
7641224506362
oct141155762525
936610013548
1013047948629
115596254a21
122641894245
1312cc2bc481
148bac8b469
15515773cbe
hex309b7e555

13047948629 has 4 divisors (see below), whose sum is σ = 13052446176. Its totient is φ = 13043451084.

The previous prime is 13047948587. The next prime is 13047948649. The reversal of 13047948629 is 92684974031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13047948629 - 232 = 8752981333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13047948649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2244419 + ... + 2250224.

It is an arithmetic number, because the mean of its divisors is an integer number (3263111544).

Almost surely, 213047948629 is an apocalyptic number.

It is an amenable number.

13047948629 is a deficient number, since it is larger than the sum of its proper divisors (4497547).

13047948629 is an equidigital number, since it uses as much as digits as its factorization.

13047948629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497546.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 13047948629 in words is "thirteen billion, forty-seven million, nine hundred forty-eight thousand, six hundred twenty-nine".

Divisors: 1 2903 4494643 13047948629