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50378365525 = 5217311648177
BaseRepresentation
bin101110111010110010…
…001101101001010101
311211000221210010112211
4232322302031221111
51311133330144100
635050555113421
73432265020145
oct567262155125
9154027703484
1050378365525
111a402301734
12991b742871
13499b277c57
14261caa2925
15149cbd31ba
hexbbac8da55

50378365525 has 12 divisors (see below), whose sum is σ = 62830272132. Its totient is φ = 40069725440.

The previous prime is 50378365523. The next prime is 50378365553. The reversal of 50378365525 is 52556387305.

It can be written as a sum of positive squares in 6 ways, for example, as 9248091889 + 41130273636 = 96167^2 + 202806^2 .

It is not a de Polignac number, because 50378365525 - 21 = 50378365523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50378365523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5819764 + ... + 5828413.

It is an arithmetic number, because the mean of its divisors is an integer number (5235856011).

Almost surely, 250378365525 is an apocalyptic number.

It is an amenable number.

50378365525 is a deficient number, since it is larger than the sum of its proper divisors (12451906607).

50378365525 is a wasteful number, since it uses less digits than its factorization.

50378365525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11648360 (or 11648355 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 50378365525 in words is "fifty billion, three hundred seventy-eight million, three hundred sixty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 173 865 4325 11648177 58240885 291204425 2015134621 10075673105 50378365525