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53213452313 = 77601921759
BaseRepresentation
bin110001100011110001…
…001101100000011001
312002100112111110111012
4301203301031200121
51332440120433223
640240152543305
73562451611250
oct614361154031
9162315443435
1053213452313
112062767436a
12a3910b1b35
13503073b5b8
14280b41b797
1515b6a4dc78
hexc63c4d819

53213452313 has 4 divisors (see below), whose sum is σ = 60815374080. Its totient is φ = 45611530548.

The previous prime is 53213452307. The next prime is 53213452333. The reversal of 53213452313 is 31325431235.

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 53213452313 - 26 = 53213452249 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 53213452313.

It is not an unprimeable number, because it can be changed into a prime (53213452333) 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, 3800960873 + ... + 3800960886.

It is an arithmetic number, because the mean of its divisors is an integer number (15203843520).

Almost surely, 253213452313 is an apocalyptic number.

It is an amenable number.

53213452313 is a deficient number, since it is larger than the sum of its proper divisors (7601921767).

53213452313 is an equidigital number, since it uses as much as digits as its factorization.

53213452313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601921766.

The product of its digits is 32400, while the sum is 32.

Adding to 53213452313 its reverse (31325431235), we get a palindrome (84538883548).

The spelling of 53213452313 in words is "fifty-three billion, two hundred thirteen million, four hundred fifty-two thousand, three hundred thirteen".

Divisors: 1 7 7601921759 53213452313