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142570525686912 = 273490720637349
BaseRepresentation
bin100000011010101011001001…
…100010011111110010000000
3200200210121110001211012120000
4200122223021202133302000
5122141333414033440122
61223115554553320000
742013244351103201
oct4032531142376200
9620717401735500
10142570525686912
1141477902a42994
1213ba7158706000
13617245c41700b
14272c6437375a8
1511738be94c0ac
hex81aac989fc80

142570525686912 has 320 divisors, whose sum is σ = 425019084336000. Its totient is φ = 47441645070336.

The previous prime is 142570525686887. The next prime is 142570525686929. The reversal of 142570525686912 is 219686525075241.

142570525686912 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 7 + 0 + 5 + 2 + 568 + 69 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 142570525686912.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19399986214 + ... + 19399993562.

It is an arithmetic number, because the mean of its divisors is an integer number (1328184638550).

Almost surely, 2142570525686912 is an apocalyptic number.

142570525686912 is a gapful number since it is divisible by the number (12) 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 142570525686912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212509542168000).

142570525686912 is an abundant number, since it is smaller than the sum of its proper divisors (282448558649088).

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

142570525686912 is an equidigital number, since it uses as much as digits as its factorization.

142570525686912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10345 (or 10324 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 63.

The spelling of 142570525686912 in words is "one hundred forty-two trillion, five hundred seventy billion, five hundred twenty-five million, six hundred eighty-six thousand, nine hundred twelve".