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242998919125 = 531943991353
BaseRepresentation
bin1110001001001111011…
…1010011111111010101
3212020020000100002122121
43202103313103333111
512440130210403000
6303344314055541
723361511506154
oct3422367237725
9766200302577
10242998919125
11940676115a6
123b117a1a5b1
1319bb7797ca1
14ba92a9359b
1564c3389b1a
hex3893dd3fd5

242998919125 has 8 divisors (see below), whose sum is σ = 303262651224. Its totient is φ = 194399135200.

The previous prime is 242998919083. The next prime is 242998919161. The reversal of 242998919125 is 521919899242.

It can be written as a sum of positive squares in 4 ways, for example, as 74958773796 + 168040145329 = 273786^2 + 409927^2 .

It is not a de Polignac number, because 242998919125 - 27 = 242998918997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971995552 + ... + 971995801.

It is an arithmetic number, because the mean of its divisors is an integer number (37907831403).

Almost surely, 2242998919125 is an apocalyptic number.

242998919125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242998919125 is a deficient number, since it is larger than the sum of its proper divisors (60263732099).

242998919125 is an equidigital number, since it uses as much as digits as its factorization.

242998919125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943991368 (or 1943991358 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 61.

The spelling of 242998919125 in words is "two hundred forty-two billion, nine hundred ninety-eight million, nine hundred nineteen thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1943991353 9719956765 48599783825 242998919125