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188520372234241 = 361075221158563
BaseRepresentation
bin101010110111010101010001…
…110100011110100000000001
3220201111101000212201101122121
4222313111101310132200001
5144202204210242443431
61504541021410204241
754465101365305445
oct5267252164364001
9821441025641577
10188520372234241
115508304a457073
1219188617283681
138126519564248
14347a612b68825
1516bdcaa549611
hexab7551d1e801

188520372234241 has 4 divisors (see below), whose sum is σ = 188525593428912. Its totient is φ = 188515151039572.

The previous prime is 188520372234209. The next prime is 188520372234269. The reversal of 188520372234241 is 142432273025881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 188520372234241 - 25 = 188520372234209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188520372234641) 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, 2610543175 + ... + 2610615388.

It is an arithmetic number, because the mean of its divisors is an integer number (47131398357228).

Almost surely, 2188520372234241 is an apocalyptic number.

It is an amenable number.

188520372234241 is a deficient number, since it is larger than the sum of its proper divisors (5221194671).

188520372234241 is an equidigital number, since it uses as much as digits as its factorization.

188520372234241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221194670.

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 188520372234241 in words is "one hundred eighty-eight trillion, five hundred twenty billion, three hundred seventy-two million, two hundred thirty-four thousand, two hundred forty-one".

Divisors: 1 36107 5221158563 188520372234241