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53485806242880 = 26325111723126079
BaseRepresentation
bin11000010100101001000100…
…11110110100110001000000
321000101012012210120200110100
430022110202132310301000
524002302412344233010
6305431012402402400
714160136065542514
oct1412244236646100
9230335183520410
1053485806242880
1116051226285480
125bb9aa8360400
1323ac8c78b219b
14d2ca26612144
1562b44dd7e2c0
hex30a5227b4c40

53485806242880 has 1512 divisors, whose sum is σ = 220328548277760. Its totient is φ = 11807929958400.

The previous prime is 53485806242879. The next prime is 53485806242899. The reversal of 53485806242880 is 8824260858435.

It is a happy number.

53485806242880 is a `hidden beast` number, since 5 + 3 + 4 + 8 + 580 + 6 + 2 + 42 + 8 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 8798451681 + ... + 8798457759.

Almost surely, 253485806242880 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 53485806242880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110164274138880).

53485806242880 is an abundant number, since it is smaller than the sum of its proper divisors (166842742034880).

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

53485806242880 is a wasteful number, since it uses less digits than its factorization.

53485806242880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6209 (or 6148 counting only the distinct ones).

The product of its (nonzero) digits is 117964800, while the sum is 63.

The spelling of 53485806242880 in words is "fifty-three trillion, four hundred eighty-five billion, eight hundred six million, two hundred forty-two thousand, eight hundred eighty".