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53515050500 = 2253107030101
BaseRepresentation
bin110001110101101111…
…101101111000000100
312010010120000020102102
4301311233231320010
51334044323104000
640330125131232
73603103265252
oct616557557004
9163116006372
1053515050500
112077193a56a
12a4560b9b18
13507b078972
1428394c95d2
1515d32763d5
hexc75bede04

53515050500 has 24 divisors (see below), whose sum is σ = 116876871384. Its totient is φ = 21406020000.

The previous prime is 53515050497. The next prime is 53515050509. The reversal of 53515050500 is 505051535.

It can be written as a sum of positive squares in 4 ways, for example, as 99520576 + 53415529924 = 9976^2 + 231118^2 .

It is not an unprimeable number, because it can be changed into a prime (53515050509) 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, 53514551 + ... + 53515550.

It is an arithmetic number, because the mean of its divisors is an integer number (4869869641).

Almost surely, 253515050500 is an apocalyptic number.

53515050500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53515050500 is an abundant number, since it is smaller than the sum of its proper divisors (63361820884).

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

53515050500 is a wasteful number, since it uses less digits than its factorization.

53515050500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107030120 (or 107030108 counting only the distinct ones).

The product of its (nonzero) digits is 9375, while the sum is 29.

The spelling of 53515050500 in words is "fifty-three billion, five hundred fifteen million, fifty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 107030101 214060202 428120404 535150505 1070301010 2140602020 2675752525 5351505050 10703010100 13378762625 26757525250 53515050500