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52349205893 = 448311677271
BaseRepresentation
bin110000110000010000…
…010111110110000101
312000010022021012021112
4300300100113312011
51324202344042033
640014321054405
73532155623345
oct606020276605
9160108235245
1052349205893
1120223842226
12a18b787405
134c2368299a
14276872ad25
151565c35c48
hexc30417d85

52349205893 has 4 divisors (see below), whose sum is σ = 52360887648. Its totient is φ = 52337524140.

The previous prime is 52349205863. The next prime is 52349205907. The reversal of 52349205893 is 39850294325.

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 52349205893 - 228 = 52080770437 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 (52349205863) 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, 5834153 + ... + 5843118.

It is an arithmetic number, because the mean of its divisors is an integer number (13090221912).

Almost surely, 252349205893 is an apocalyptic number.

It is an amenable number.

52349205893 is a deficient number, since it is larger than the sum of its proper divisors (11681755).

52349205893 is a wasteful number, since it uses less digits than its factorization.

52349205893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11681754.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 52349205893 in words is "fifty-two billion, three hundred forty-nine million, two hundred five thousand, eight hundred ninety-three".

Divisors: 1 4483 11677271 52349205893