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50280528028 = 2223539534013
BaseRepresentation
bin101110110100111100…
…111111100010011100
311210210010200110201211
4232310330333202130
51310433303344103
635033142114204
73426666302503
oct566474774234
9153703613654
1050280528028
111a3620579a5
1298b2a1b964
134983c10843
14260dab583a
15149430936d
hexbb4f3f89c

50280528028 has 12 divisors (see below), whose sum is σ = 87994826920. Its totient is φ = 25139148912.

The previous prime is 50280528013. The next prime is 50280528041. The reversal of 50280528028 is 82082508205.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172851 + ... + 361162.

Almost surely, 250280528028 is an apocalyptic number.

It is an amenable number.

50280528028 is a deficient number, since it is larger than the sum of its proper divisors (37714298892).

50280528028 is a wasteful number, since it uses less digits than its factorization.

50280528028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557556 (or 557554 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The spelling of 50280528028 in words is "fifty billion, two hundred eighty million, five hundred twenty-eight thousand, twenty-eight".

Divisors: 1 2 4 23539 47078 94156 534013 1068026 2136052 12570132007 25140264014 50280528028