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50211336557 = 197440957809
BaseRepresentation
bin101110110000110101…
…000011000101101101
311210121022111011212202
4232300311003011231
51310313100232212
635022231111245
73425166214214
oct566065030555
9153538434782
1050211336557
111a326a99368
129893812525
134972796045
14260482407b
15148d1dd0c2
hexbb0d4316d

50211336557 has 8 divisors (see below), whose sum is σ = 50478535800. Its totient is φ = 49944262144.

The previous prime is 50211336541. The next prime is 50211336607. The reversal of 50211336557 is 75563311205.

50211336557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9021010441 + 41190326116 = 94979^2 + 202954^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50211336557 - 24 = 50211336541 is a prime.

It is a super-2 number, since 2×502113365572 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50211336557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50211330557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839669 + ... + 897477.

It is an arithmetic number, because the mean of its divisors is an integer number (6309816975).

Almost surely, 250211336557 is an apocalyptic number.

It is an amenable number.

50211336557 is a deficient number, since it is larger than the sum of its proper divisors (267199243).

50211336557 is a wasteful number, since it uses less digits than its factorization.

50211336557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62415.

The product of its (nonzero) digits is 94500, while the sum is 38.

The spelling of 50211336557 in words is "fifty billion, two hundred eleven million, three hundred thirty-six thousand, five hundred fifty-seven".

Divisors: 1 197 4409 57809 868573 11388373 254879881 50211336557