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50231119129 = 79228372
BaseRepresentation
bin101110110010000000…
…100000110100011001
311210122200201020110121
4232302000200310121
51310333131303004
635024215113241
73425526316312
oct566200406431
9153580636417
1050231119129
111a3371802a4
12989a372821
1349769014c9
1426072d3609
15148ece9854
hexbb2020d19

50231119129 has 9 divisors (see below), whose sum is σ = 50892943647. Its totient is φ = 49577800584.

The previous prime is 50231119097. The next prime is 50231119171. The reversal of 50231119129 is 92191113205.

It is a happy number.

The square root of 50231119129 is 224123.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1720175625 + 48510943504 = 41475^2 + 220252^2 .

It is not a de Polignac number, because 50231119129 - 25 = 50231119097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50231119094 and 50231119103.

It is not an unprimeable number, because it can be changed into a prime (50231113129) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17704299 + ... + 17707135.

Almost surely, 250231119129 is an apocalyptic number.

50231119129 is the 224123-rd square number.

50231119129 is the 112062-nd centered octagonal number.

It is an amenable number.

50231119129 is a deficient number, since it is larger than the sum of its proper divisors (661824518).

50231119129 is an frugal number, since it uses more digits than its factorization.

50231119129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 34.

The spelling of 50231119129 in words is "fifty billion, two hundred thirty-one million, one hundred nineteen thousand, one hundred twenty-nine".

Divisors: 1 79 2837 6241 224123 8048569 17705717 635836951 50231119129