Search a number
-
+
50513514520 = 2357180405409
BaseRepresentation
bin101111000010110101…
…110001000000011000
311211101101002102010011
4233002311301000120
51311422424431040
635112223531304
73435525534430
oct570265610030
9154341072104
1050513514520
111a471620117
129958a59b34
1349c0277281
142632a032c0
1514a99cc3ea
hexbc2d71018

50513514520 has 32 divisors (see below), whose sum is σ = 129891895200. Its totient is φ = 17318919168.

The previous prime is 50513514511. The next prime is 50513514613. The reversal of 50513514520 is 2541531505.

It is a congruent number.

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, 90202425 + ... + 90202984.

It is an arithmetic number, because the mean of its divisors is an integer number (4059121725).

Almost surely, 250513514520 is an apocalyptic number.

It is an amenable number.

50513514520 is an abundant number, since it is smaller than the sum of its proper divisors (79378380680).

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

50513514520 is a wasteful number, since it uses less digits than its factorization.

50513514520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180405427 (or 180405423 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 50513514520 in words is "fifty billion, five hundred thirteen million, five hundred fourteen thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 180405409 360810818 721621636 902027045 1262837863 1443243272 1804054090 2525675726 3608108180 5051351452 6314189315 7216216360 10102702904 12628378630 25256757260 50513514520