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58791917989 = 721772479739
BaseRepresentation
bin110110110000010001…
…010111100110100101
312121202022100212210001
4312300101113212211
51430401212333424
643001510501301
74150630025500
oct666021274645
9177668325701
1058791917989
1122a2a561182
12b489364831
13570c39616c
142bba25c137
1517e166c844
hexdb04579a5

58791917989 has 24 divisors (see below), whose sum is σ = 72431003520. Its totient is φ = 47417360256.

The previous prime is 58791917969. The next prime is 58791918013. The reversal of 58791917989 is 98971919785.

58791917989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 58791917989 - 25 = 58791917957 is a prime.

It is a Duffinian number.

Its product of digits (102876480) is a multiple of the sum of its prime divisors (17010).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58791917909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6031882 + ... + 6041620.

It is an arithmetic number, because the mean of its divisors is an integer number (3017958480).

Almost surely, 258791917989 is an apocalyptic number.

It is an amenable number.

58791917989 is a deficient number, since it is larger than the sum of its proper divisors (13639085531).

58791917989 is a wasteful number, since it uses less digits than its factorization.

58791917989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17017 (or 17010 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 73.

The spelling of 58791917989 in words is "fifty-eight billion, seven hundred ninety-one million, nine hundred seventeen thousand, nine hundred eighty-nine".

Divisors: 1 7 17 49 119 833 7247 9739 50729 68173 123199 165563 355103 477211 862393 1158941 6036751 8112587 70578533 494049731 1199835061 3458348117 8398845427 58791917989