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53010308605 = 5318930712517
BaseRepresentation
bin110001010111101010…
…010001110111111101
312001211101020200201011
4301113222101313331
51332031114333410
640204054515221
73554434121452
oct612752216775
9161741220634
1053010308605
1120532a34501
12a335065b11
134cca623417
1427cc45b829
1515a3cc318a
hexc57a91dfd

53010308605 has 32 divisors (see below), whose sum is σ = 66623800320. Its totient is φ = 40443701760.

The previous prime is 53010308587. The next prime is 53010308609. The reversal of 53010308605 is 50680301035.

It is a de Polignac number, because none of the positive numbers 2k-53010308605 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53010308609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4228807 + ... + 4241323.

It is an arithmetic number, because the mean of its divisors is an integer number (2081993760).

Almost surely, 253010308605 is an apocalyptic number.

It is an amenable number.

53010308605 is a deficient number, since it is larger than the sum of its proper divisors (13613491715).

53010308605 is a wasteful number, since it uses less digits than its factorization.

53010308605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12949.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 53010308605 in words is "fifty-three billion, ten million, three hundred eight thousand, six hundred five".

Divisors: 1 5 31 89 155 307 445 1535 2759 9517 12517 13795 27323 47585 62585 136615 388027 847013 1114013 1940135 3842719 4235065 5570065 19213595 34534403 119124289 172672015 342001991 595621445 1710009955 10602061721 53010308605