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50775640025 = 52111697108803
BaseRepresentation
bin101111010010011101…
…101100011111011001
311212001122022202201012
4233102131230133121
51312442030440100
635154230103305
73445160550635
oct572235543731
9155048282635
1050775640025
111a596585970
129a107aab35
134a32673b16
142659757dc5
1514c2a09135
hexbd276c7d9

50775640025 has 24 divisors (see below), whose sum is σ = 68726699424. Its totient is φ = 36905638400.

The previous prime is 50775640021. The next prime is 50775640051. The reversal of 50775640025 is 52004657705.

It is not a de Polignac number, because 50775640025 - 22 = 50775640021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50775640021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412274 + ... + 521076.

It is an arithmetic number, because the mean of its divisors is an integer number (2863612476).

Almost surely, 250775640025 is an apocalyptic number.

50775640025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50775640025 is a deficient number, since it is larger than the sum of its proper divisors (17951059399).

50775640025 is a wasteful number, since it uses less digits than its factorization.

50775640025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110521 (or 110516 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 50775640025 in words is "fifty billion, seven hundred seventy-five million, six hundred forty thousand, twenty-five".

Divisors: 1 5 11 25 55 275 1697 8485 18667 42425 93335 108803 466675 544015 1196833 2720075 5984165 29920825 184638691 923193455 2031025601 4615967275 10155128005 50775640025