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53425862737920 = 217355379067
BaseRepresentation
bin11000010010111001011011…
…00100100000000000000000
321000011110111020022010100000
430021130231210200000000
524000312131330103140
6305343300313200000
714152614453263421
oct1411345544400000
9230143436263300
1053425862737920
1116028865784a32
125baa359400000
1323a7063a7581a
14d29b7b467648
15629ae158aa30
hex30972d920000

53425862737920 has 864 divisors, whose sum is σ = 197281339190208. Its totient is φ = 13860316643328.

The previous prime is 53425862737903. The next prime is 53425862737931. The reversal of 53425862737920 is 2973726852435.

53425862737920 is a `hidden beast` number, since 5 + 3 + 4 + 2 + 586 + 27 + 3 + 7 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5892337227 + ... + 5892346293.

It is an arithmetic number, because the mean of its divisors is an integer number (228334883322).

Almost surely, 253425862737920 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 53425862737920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98640669595104).

53425862737920 is an abundant number, since it is smaller than the sum of its proper divisors (143855476452288).

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

53425862737920 is an frugal number, since it uses more digits than its factorization.

53425862737920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9158 (or 9114 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 63.

The spelling of 53425862737920 in words is "fifty-three trillion, four hundred twenty-five billion, eight hundred sixty-two million, seven hundred thirty-seven thousand, nine hundred twenty".