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52131749658 = 238688624943
BaseRepresentation
bin110000100011010010…
…110101111100011010
311222120011002021101220
4300203102311330122
51323231211442113
635540552152510
73523605363222
oct604322657432
9158504067356
1052131749658
112012201712a
12a12a998736
134bba5c6061
1427478c3082
151551ace523
hexc234b5f1a

52131749658 has 8 divisors (see below), whose sum is σ = 104263499328. Its totient is φ = 17377249884.

The previous prime is 52131749639. The next prime is 52131749669. The reversal of 52131749658 is 85694713125.

52131749658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

52131749658 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52131749658.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4344312466 + ... + 4344312477.

It is an arithmetic number, because the mean of its divisors is an integer number (13032937416).

Almost surely, 252131749658 is an apocalyptic number.

52131749658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52131749658 is a wasteful number, since it uses less digits than its factorization.

52131749658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8688624948.

The product of its digits is 1814400, while the sum is 51.

The spelling of 52131749658 in words is "fifty-two billion, one hundred thirty-one million, seven hundred forty-nine thousand, six hundred fifty-eight".

Divisors: 1 2 3 6 8688624943 17377249886 26065874829 52131749658