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52758238500 = 22325311296893
BaseRepresentation
bin110001001000101000…
…101101010100100100
312001011210221012112100
4301020220231110210
51331022102113000
640123052052100
73545253425262
oct611050552444
9161153835470
1052758238500
1120413717500
12a284764030
134c8a337706
1427a6ba3432
15158bad0a00
hexc48a2d524

52758238500 has 216 divisors, whose sum is σ = 182942460792. Its totient is φ = 12789744000.

The previous prime is 52758238499. The next prime is 52758238517. The reversal of 52758238500 is 583285725.

52758238500 is a `hidden beast` number, since 52 + 75 + 8 + 23 + 8 + 500 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4425974784 + 48332263716 = 66528^2 + 219846^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 496054 + ... + 592946.

It is an arithmetic number, because the mean of its divisors is an integer number (846955837).

Almost surely, 252758238500 is an apocalyptic number.

52758238500 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 52758238500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91471230396).

52758238500 is an abundant number, since it is smaller than the sum of its proper divisors (130184222292).

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

52758238500 is a wasteful number, since it uses less digits than its factorization.

52758238500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96940 (or 96914 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 52758238500 in words is "fifty-two billion, seven hundred fifty-eight million, two hundred thirty-eight thousand, five hundred".