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425885853773952 = 273411137313928309
BaseRepresentation
bin110000011010101110100011…
…1000001110111000010000000
32001211221021211102000002110000
41200311131013001313002000
5421310203212031231302
64105441132114240000
7155464144322400405
oct14065350701670200
92054837742002400
10425885853773952
111137781a36a7a80
123b923646886000
1315383b2c695a90
147724db19762ac
153438405d4831c
hex1835747077080

425885853773952 has 1280 divisors, whose sum is σ = 1520318069424000. Its totient is φ = 116647584399360.

The previous prime is 425885853773921. The next prime is 425885853773971. The reversal of 425885853773952 is 259377358588524.

425885853773952 is a `hidden beast` number, since 4 + 2 + 5 + 8 + 8 + 5 + 8 + 537 + 73 + 9 + 5 + 2 = 666.

It is a super-2 number, since 2×4258858537739522 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 15044171574 + ... + 15044199882.

Almost surely, 2425885853773952 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 425885853773952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760159034712000).

425885853773952 is an abundant number, since it is smaller than the sum of its proper divisors (1094432215650048).

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

425885853773952 is a wasteful number, since it uses less digits than its factorization.

425885853773952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28571 (or 28550 counting only the distinct ones).

The product of its digits is 20321280000, while the sum is 81.

The spelling of 425885853773952 in words is "four hundred twenty-five trillion, eight hundred eighty-five billion, eight hundred fifty-three million, seven hundred seventy-three thousand, nine hundred fifty-two".