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56323235840 = 213517471721
BaseRepresentation
bin110100011101001000…
…000110000000000000
312101101021002211111212
4310131020012000000
51410322222021330
641512522225252
74032512414444
oct643510060000
9171337084455
1056323235840
1121982aa87a3
12aaba655228
135407ab07b1
142a24440824
1516e9a7b295
hexd1d206000

56323235840 has 224 divisors, whose sum is σ = 146248550784. Its totient is φ = 20740833280.

The previous prime is 56323235833. The next prime is 56323235861. The reversal of 56323235840 is 4853232365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32726180 + ... + 32727900.

It is an arithmetic number, because the mean of its divisors is an integer number (652895316).

Almost surely, 256323235840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56323235840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73124275392).

56323235840 is an abundant number, since it is smaller than the sum of its proper divisors (89925314944).

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

56323235840 is a wasteful number, since it uses less digits than its factorization.

56323235840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 56323235840 in words is "fifty-six billion, three hundred twenty-three million, two hundred thirty-five thousand, eight hundred forty".