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75329857850 = 25213115892089
BaseRepresentation
bin100011000101000000…
…0100110100100111010
321012102212102021100012
41012022000212210322
52213233420422400
654334524141522
75304513140552
oct1061200464472
9235385367305
1075329857850
1129a46817175
12127239978a2
1371467293b0
143908820162
151e5d4c2d35
hex118a02693a

75329857850 has 24 divisors (see below), whose sum is σ = 150891501180. Its totient is φ = 27814101120.

The previous prime is 75329857847. The next prime is 75329857901. The reversal of 75329857850 is 5875892357.

It can be written as a sum of positive squares in 6 ways, for example, as 25775981401 + 49553876449 = 160549^2 + 222607^2 .

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 75329857850.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57945395 + ... + 57946694.

Almost surely, 275329857850 is an apocalyptic number.

75329857850 is an abundant number, since it is smaller than the sum of its proper divisors (75561643330).

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

75329857850 is a wasteful number, since it uses less digits than its factorization.

75329857850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115892114 (or 115892109 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 59.

The spelling of 75329857850 in words is "seventy-five billion, three hundred twenty-nine million, eight hundred fifty-seven thousand, eight hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 115892089 231784178 579460445 1158920890 1506597157 2897302225 3013194314 5794604450 7532985785 15065971570 37664928925 75329857850