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254254242820 = 22512712712141
BaseRepresentation
bin1110110011001010111…
…0111101110000000100
3220022021102012210011011
43230302232331300010
513131203041232240
6312445222452004
724240441256024
oct3546256756004
9808242183134
10254254242820
1198912989906
1241339294004
131ac8c57a236
14c43d827a84
1569315606ea
hex3b32bbdc04

254254242820 has 12 divisors (see below), whose sum is σ = 533933909964. Its totient is φ = 101701697120.

The previous prime is 254254242797. The next prime is 254254242829. The reversal of 254254242820 is 28242452452.

254254242820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 62851492804 + 191402750016 = 250702^2 + 437496^2 .

It is not an unprimeable number, because it can be changed into a prime (254254242829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6356356051 + ... + 6356356090.

It is an arithmetic number, because the mean of its divisors is an integer number (44494492497).

Almost surely, 2254254242820 is an apocalyptic number.

254254242820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254254242820 is an abundant number, since it is smaller than the sum of its proper divisors (279679667144).

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

254254242820 is a wasteful number, since it uses less digits than its factorization.

254254242820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12712712150 (or 12712712148 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 40.

The spelling of 254254242820 in words is "two hundred fifty-four billion, two hundred fifty-four million, two hundred forty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 12712712141 25425424282 50850848564 63563560705 127127121410 254254242820