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13494740953 = 49432730071
BaseRepresentation
bin11001001000101100…
…10110011111011001
31021211110201212110111
430210112112133121
5210114123202303
610111023044321
7655261256041
oct144426263731
937743655414
1013494740953
1157a547a681
1227474406a1
131370a35125
14920352721
1553eacbb6d
hex3245967d9

13494740953 has 4 divisors (see below), whose sum is σ = 13497475968. Its totient is φ = 13492005940.

The previous prime is 13494740939. The next prime is 13494740971. The reversal of 13494740953 is 35904749431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35904749431 = 137262078463.

It is a cyclic number.

It is not a de Polignac number, because 13494740953 - 225 = 13461186521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13494740897 and 13494740906.

It is not an unprimeable number, because it can be changed into a prime (13494743953) 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, 1360093 + ... + 1369978.

It is an arithmetic number, because the mean of its divisors is an integer number (3374368992).

Almost surely, 213494740953 is an apocalyptic number.

It is an amenable number.

13494740953 is a deficient number, since it is larger than the sum of its proper divisors (2735015).

13494740953 is an equidigital number, since it uses as much as digits as its factorization.

13494740953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735014.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 13494740953 in words is "thirteen billion, four hundred ninety-four million, seven hundred forty thousand, nine hundred fifty-three".

Divisors: 1 4943 2730071 13494740953