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13957395593 = 59236566027
BaseRepresentation
bin11001111111110110…
…01111010010001001
31100000201022011022112
430333323033102021
5212041043124333
610224551232105
71002606622301
oct147773172211
940021264275
1013957395593
115a12649989
122856378635
131415842a7b
14965986601
1556a519948
hex33fecf489

13957395593 has 4 divisors (see below), whose sum is σ = 14193961680. Its totient is φ = 13720829508.

The previous prime is 13957395469. The next prime is 13957395629. The reversal of 13957395593 is 39559375931.

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 13957395593 - 210 = 13957394569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59), and also a Moran number because the ratio is a prime number: 236566027 = 13957395593 / (1 + 3 + 9 + 5 + 7 + 3 + 9 + 5 + 5 + 9 + 3).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13957365593) 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, 118282955 + ... + 118283072.

It is an arithmetic number, because the mean of its divisors is an integer number (3548490420).

Almost surely, 213957395593 is an apocalyptic number.

It is an amenable number.

13957395593 is a deficient number, since it is larger than the sum of its proper divisors (236566087).

13957395593 is an equidigital number, since it uses as much as digits as its factorization.

13957395593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236566086.

The product of its digits is 17222625, while the sum is 59.

The spelling of 13957395593 in words is "thirteen billion, nine hundred fifty-seven million, three hundred ninety-five thousand, five hundred ninety-three".

Divisors: 1 59 236566027 13957395593