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253044106560 = 26325731272017
BaseRepresentation
bin1110101110101010011…
…0101010010101000000
3220012011002010111021200
43223222212222111000
513121213242402220
6312125153221200
724165445263000
oct3535246522500
9805132114250
10253044106560
119835188a5a3
124105bb61800
131ab2894718b
14c366c1a000
1568b01c1890
hex3aea9aa540

253044106560 has 672 divisors, whose sum is σ = 1023503769600. Its totient is φ = 57354780672.

The previous prime is 253044106541. The next prime is 253044106561. The reversal of 253044106560 is 65601440352.

253044106560 is a `hidden beast` number, since 2 + 53 + 0 + 4 + 41 + 0 + 6 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253044106561) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 125454672 + ... + 125456688.

Almost surely, 2253044106560 is an apocalyptic number.

253044106560 is a gapful number since it is divisible by the number (20) 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 253044106560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511751884800).

253044106560 is an abundant number, since it is smaller than the sum of its proper divisors (770459663040).

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

253044106560 is a wasteful number, since it uses less digits than its factorization.

253044106560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 253044106560 in words is "two hundred fifty-three billion, forty-four million, one hundred six thousand, five hundred sixty".