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53168744304 = 243313293110531
BaseRepresentation
bin110001100001000110…
…101010011101110000
312002020102101001122000
4301201012222131300
51332342144304204
640231514414000
73561366604224
oct614106523560
9162212331560
1053168744304
11206044085a5
12a37a131300
1350243b6b60
142805500784
1515b2b6c039
hexc611aa770

53168744304 has 320 divisors, whose sum is σ = 175522099200. Its totient is φ = 15284505600.

The previous prime is 53168744257. The next prime is 53168744327. The reversal of 53168744304 is 40344786135.

53168744304 is a `hidden beast` number, since 53 + 168 + 7 + 4 + 430 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 53168744304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5043519 + ... + 5054049.

It is an arithmetic number, because the mean of its divisors is an integer number (548506560).

Almost surely, 253168744304 is an apocalyptic number.

53168744304 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53168744304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87761049600).

53168744304 is an abundant number, since it is smaller than the sum of its proper divisors (122353354896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53168744304 is a wasteful number, since it uses less digits than its factorization.

53168744304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10621 (or 10609 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 53168744304 in words is "fifty-three billion, one hundred sixty-eight million, seven hundred forty-four thousand, three hundred four".