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50512522533053 = 728237125150881
BaseRepresentation
bin10110111110000110111001…
…11101100101100010111101
320121211221122112201120022212
423133003130331211202331
523110044121232024203
6255233044341550205
713432260253160300
oct1337033475454275
9217757575646285
1050512522533053
1115105271124a59
1257b97b9715365
132225406049a09
14c68b679c8b37
155c8e2ed2d1d8
hex2df0dcf658bd

50512522533053 has 12 divisors (see below), whose sum is σ = 58766599057212. Its totient is φ = 43291191202560.

The previous prime is 50512522533043. The next prime is 50512522533071. The reversal of 50512522533053 is 35033522521505.

It can be written as a sum of positive squares in 2 ways, for example, as 44749704588484 + 5762817944569 = 6689522^2 + 2400587^2 .

It is not a de Polignac number, because 50512522533053 - 24 = 50512522533037 is a prime.

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 50512522533053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50512522533043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62171828 + ... + 62979053.

It is an arithmetic number, because the mean of its divisors is an integer number (4897216588101).

Almost surely, 250512522533053 is an apocalyptic number.

It is an amenable number.

50512522533053 is a deficient number, since it is larger than the sum of its proper divisors (8254076524159).

50512522533053 is a wasteful number, since it uses less digits than its factorization.

50512522533053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125159132 (or 125159125 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 41.

The spelling of 50512522533053 in words is "fifty trillion, five hundred twelve billion, five hundred twenty-two million, five hundred thirty-three thousand, fifty-three".

Divisors: 1 7 49 8237 57659 403613 125150881 876056167 6132393169 1030867806797 7216074647579 50512522533053