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53338679879 = 192807298941
BaseRepresentation
bin110001101011001110…
…111010101001000111
312002200021010200102012
4301223032322221013
51333214200224004
640300425004435
73565532204222
oct615316725107
9162607120365
1053338679879
1120691326721
12a40702371b
135050675a54
14281dcd85b9
1515c2a3846e
hexc6b3baa47

53338679879 has 4 divisors (see below), whose sum is σ = 56145978840. Its totient is φ = 50531380920.

The previous prime is 53338679873. The next prime is 53338679899. The reversal of 53338679879 is 97897683335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53338679879 - 212 = 53338675783 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 (53338679873) 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, 1403649452 + ... + 1403649489.

It is an arithmetic number, because the mean of its divisors is an integer number (14036494710).

Almost surely, 253338679879 is an apocalyptic number.

53338679879 is a deficient number, since it is larger than the sum of its proper divisors (2807298961).

53338679879 is a wasteful number, since it uses less digits than its factorization.

53338679879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807298960.

The product of its digits is 205752960, while the sum is 68.

The spelling of 53338679879 in words is "fifty-three billion, three hundred thirty-eight million, six hundred seventy-nine thousand, eight hundred seventy-nine".

Divisors: 1 19 2807298941 53338679879