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50500055140 = 2254927751241
BaseRepresentation
bin101111000010000010…
…011011000001100100
311211100102202121022121
4233002002123001210
51311411003231030
635111023235324
73435303246313
oct570202330144
9154312677277
1050500055140
111a464a67967
129954448b44
1349ba543c42
142630cdc27a
1514a871e47a
hexbc209b064

50500055140 has 24 divisors (see below), whose sum is σ = 106054337592. Its totient is φ = 20199217920.

The previous prime is 50500055131. The next prime is 50500055153. The reversal of 50500055140 is 4155000505.

It can be written as a sum of positive squares in 4 ways, for example, as 7664302116 + 42835753024 = 87546^2 + 206968^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959920 + ... + 1011160.

It is an arithmetic number, because the mean of its divisors is an integer number (4418930733).

Almost surely, 250500055140 is an apocalyptic number.

It is an amenable number.

50500055140 is an abundant number, since it is smaller than the sum of its proper divisors (55554282452).

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

50500055140 is a wasteful number, since it uses less digits than its factorization.

50500055140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100527 (or 100525 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

Adding to 50500055140 its reverse (4155000505), we get a palindrome (54655055645).

The spelling of 50500055140 in words is "fifty billion, five hundred million, fifty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 49277 51241 98554 102482 197108 204964 246385 256205 492770 512410 985540 1024820 2525002757 5050005514 10100011028 12625013785 25250027570 50500055140