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50820642072 = 23321275557813
BaseRepresentation
bin101111010101001001…
…010111010100011000
311212011210000002220200
4233111021113110120
51313040041021242
635202514422200
73446245221144
oct572511272430
9155153002820
1050820642072
111a609a22642
129a23891960
134a3ba9c355
142661710224
1514c694804c
hexbd5257518

50820642072 has 48 divisors (see below), whose sum is σ = 138723037440. Its totient is φ = 16806823488.

The previous prime is 50820642053. The next prime is 50820642083. The reversal of 50820642072 is 27024602805.

50820642072 is a `hidden beast` number, since 5 + 0 + 8 + 2 + 0 + 642 + 0 + 7 + 2 = 666.

50820642072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×508206420722 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2769763 + ... + 2788050.

It is an arithmetic number, because the mean of its divisors is an integer number (2890063280).

Almost surely, 250820642072 is an apocalyptic number.

It is an amenable number.

50820642072 is an abundant number, since it is smaller than the sum of its proper divisors (87902395368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50820642072 is a wasteful number, since it uses less digits than its factorization.

50820642072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557952 (or 5557945 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 50820642072 in words is "fifty billion, eight hundred twenty million, six hundred forty-two thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 127 254 381 508 762 1016 1143 1524 2286 3048 4572 9144 5557813 11115626 16673439 22231252 33346878 44462504 50020317 66693756 100040634 133387512 200081268 400162536 705842251 1411684502 2117526753 2823369004 4235053506 5646738008 6352580259 8470107012 12705160518 16940214024 25410321036 50820642072