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50972369930 = 25101389129737
BaseRepresentation
bin101111011110001100…
…001010010000001010
311212120100111200101222
4233132030022100022
51313342411314210
635225534442042
73453066665336
oct573614122012
9155510450358
1050972369930
111a687634a69
129a66663322
134a64354851
1426779287c6
1514d4e19655
hexbde30a40a

50972369930 has 32 divisors (see below), whose sum is σ = 92897597520. Its totient is φ = 20135027200.

The previous prime is 50972369801. The next prime is 50972369933. The reversal of 50972369930 is 3996327905.

It can be written as a sum of positive squares in 8 ways, for example, as 32913579241 + 18058790689 = 181421^2 + 134383^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50972369933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328022 + ... + 457758.

Almost surely, 250972369930 is an apocalyptic number.

50972369930 is a deficient number, since it is larger than the sum of its proper divisors (41925227590).

50972369930 is a wasteful number, since it uses less digits than its factorization.

50972369930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130234.

The product of its (nonzero) digits is 2755620, while the sum is 53.

The spelling of 50972369930 in words is "fifty billion, nine hundred seventy-two million, three hundred sixty-nine thousand, nine hundred thirty".

Divisors: 1 2 5 10 101 202 389 505 778 1010 1945 3890 39289 78578 129737 196445 259474 392890 648685 1297370 13103437 26206874 50467693 65517185 100935386 131034370 252338465 504676930 5097236993 10194473986 25486184965 50972369930