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83725708950858 = 23137027152754593
BaseRepresentation
bin10011000010010111101001…
…001000111111110101001010
3101222110002200121112201101010
4103002113221020333311022
541433230222442411413
6454023020521304350
723430661055513442
oct2302275110776512
9358402617481333
1083725708950858
112474a967a83837
12948272a6350b6
1337943ba1b9ac0
1416964bb363122
159a2d70296dc3
hex4c25e923fd4a

83725708950858 has 32 divisors (see below), whose sum is σ = 180357960154176. Its totient is φ = 25758090321408.

The previous prime is 83725708950841. The next prime is 83725708950859. The reversal of 83725708950858 is 85805980752738.

83725708950858 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 83725708950858.

It is not an unprimeable number, because it can be changed into a prime (83725708950859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75829191 + ... + 76925402.

It is an arithmetic number, because the mean of its divisors is an integer number (5636186254818).

Almost surely, 283725708950858 is an apocalyptic number.

83725708950858 is an abundant number, since it is smaller than the sum of its proper divisors (96632251203318).

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

83725708950858 is a wasteful number, since it uses less digits than its factorization.

83725708950858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152761638.

The product of its (nonzero) digits is 1354752000, while the sum is 75.

The spelling of 83725708950858 in words is "eighty-three trillion, seven hundred twenty-five billion, seven hundred eight million, nine hundred fifty thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 13 26 39 78 7027 14054 21081 42162 91351 182702 274053 548106 152754593 305509186 458263779 916527558 1985809709 3971619418 5957429127 11914858254 1073406525011 2146813050022 3220219575033 6440439150066 13954284825143 27908569650286 41862854475429 83725708950858