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52690665300 = 22352741317331
BaseRepresentation
bin110001000100100110…
…111011111101010100
312001000002210010112020
4301010212323331110
51330402302242200
640112235453140
73543503160000
oct610446737524
9161002703466
1052690665300
1120389563789
12a265bb71b0
134c79338680
14279bc13700
151585bd3ea0
hexc449bbf54

52690665300 has 720 divisors, whose sum is σ = 203409605952. Its totient is φ = 10431590400.

The previous prime is 52690665263. The next prime is 52690665301. The reversal of 52690665300 is 356609625.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52690665301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 159186135 + ... + 159186465.

Almost surely, 252690665300 is an apocalyptic number.

52690665300 is a gapful number since it is divisible by the number (50) 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 52690665300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101704802976).

52690665300 is an abundant number, since it is smaller than the sum of its proper divisors (150718940652).

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

52690665300 is a wasteful number, since it uses less digits than its factorization.

52690665300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 52690665300 in words is "fifty-two billion, six hundred ninety million, six hundred sixty-five thousand, three hundred".