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58309257889 = 89655160201
BaseRepresentation
bin110110010011100000…
…001010101010100001
312120111200011012121001
4312103200022222201
51423404132223024
642441545432001
74132646341261
oct662340125241
9176450135531
1058309257889
1122802068533
12b37379b601
1356633a277c
142b720db7a1
1517b40cc244
hexd9380aaa1

58309257889 has 4 divisors (see below), whose sum is σ = 58964418180. Its totient is φ = 57654097600.

The previous prime is 58309257883. The next prime is 58309257917. The reversal of 58309257889 is 98875290385.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98875290385 = 519775058077.

It can be written as a sum of positive squares in 2 ways, for example, as 30867678864 + 27441579025 = 175692^2 + 165655^2 .

It is a cyclic number.

It is not a de Polignac number, because 58309257889 - 27 = 58309257761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 58309257889.

It is not an unprimeable number, because it can be changed into a prime (58309257883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327580012 + ... + 327580189.

It is an arithmetic number, because the mean of its divisors is an integer number (14741104545).

Almost surely, 258309257889 is an apocalyptic number.

It is an amenable number.

58309257889 is a deficient number, since it is larger than the sum of its proper divisors (655160291).

58309257889 is an equidigital number, since it uses as much as digits as its factorization.

58309257889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655160290.

The product of its (nonzero) digits is 43545600, while the sum is 64.

The spelling of 58309257889 in words is "fifty-eight billion, three hundred nine million, two hundred fifty-seven thousand, eight hundred eighty-nine".

Divisors: 1 89 655160201 58309257889