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13195941079 = 29455032451
BaseRepresentation
bin11000100101000101…
…00001010011010111
31021001122111021002111
430102202201103113
5204011130103304
610021230451451
7645002435266
oct142242412327
937048437074
1013195941079
115661845932
122683363b87
131323b67679
148d27b25dd
15523758704
hex3128a14d7

13195941079 has 4 divisors (see below), whose sum is σ = 13650973560. Its totient is φ = 12740908600.

The previous prime is 13195941071. The next prime is 13195941107. The reversal of 13195941079 is 97014959131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97014959131 = 531830470927.

It is a cyclic number.

It is not a de Polignac number, because 13195941079 - 23 = 13195941071 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 (13195941071) 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, 227516197 + ... + 227516254.

It is an arithmetic number, because the mean of its divisors is an integer number (3412743390).

Almost surely, 213195941079 is an apocalyptic number.

13195941079 is a deficient number, since it is larger than the sum of its proper divisors (455032481).

13195941079 is an equidigital number, since it uses as much as digits as its factorization.

13195941079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455032480.

The product of its (nonzero) digits is 306180, while the sum is 49.

The spelling of 13195941079 in words is "thirteen billion, one hundred ninety-five million, nine hundred forty-one thousand, seventy-nine".

Divisors: 1 29 455032451 13195941079