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52505052600 = 233527111387421
BaseRepresentation
bin110000111001100010…
…111000010110111000
312000112011112000202210
4300321202320112320
51330012243140400
640042005255120
73536060404050
oct607142702670
9160464460683
1052505052600
11202a3808160
12a213a044a0
134c49a4ab80
1427812d8560
15157476c950
hexc398b85b8

52505052600 has 384 divisors, whose sum is σ = 218541012480. Its totient is φ = 10070784000.

The previous prime is 52505052571. The next prime is 52505052617. The reversal of 52505052600 is 625050525.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 556890 + ... + 644310.

It is an arithmetic number, because the mean of its divisors is an integer number (569117220).

Almost surely, 252505052600 is an apocalyptic number.

52505052600 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 52505052600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109270506240).

52505052600 is an abundant number, since it is smaller than the sum of its proper divisors (166035959880).

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

52505052600 is a wasteful number, since it uses less digits than its factorization.

52505052600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87471 (or 87462 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 52505052600 in words is "fifty-two billion, five hundred five million, fifty-two thousand, six hundred".