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39799458320 = 245497493229
BaseRepresentation
bin100101000100001110…
…111000101000010000
310210201200200222000212
4211010032320220100
51123002130131240
630141132303252
72606160546116
oct450416705020
9123650628025
1039799458320
1115973836116
127868911b28
1339a366884b
141cd7ac7ab6
15107e0c2165
hex9443b8a10

39799458320 has 20 divisors (see below), whose sum is σ = 92533740780. Its totient is φ = 15919783296.

The previous prime is 39799458299. The next prime is 39799458341. The reversal of 39799458320 is 2385499793.

It is an interprime number because it is at equal distance from previous prime (39799458299) and next prime (39799458341).

It can be written as a sum of positive squares in 2 ways, for example, as 22455621904 + 17343836416 = 149852^2 + 131696^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 39799458320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248746535 + ... + 248746694.

It is an arithmetic number, because the mean of its divisors is an integer number (4626687039).

Almost surely, 239799458320 is an apocalyptic number.

It is an amenable number.

39799458320 is an abundant number, since it is smaller than the sum of its proper divisors (52734282460).

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

39799458320 is a wasteful number, since it uses less digits than its factorization.

39799458320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497493242 (or 497493236 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 39799458320 in words is "thirty-nine billion, seven hundred ninety-nine million, four hundred fifty-eight thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 497493229 994986458 1989972916 2487466145 3979945832 4974932290 7959891664 9949864580 19899729160 39799458320