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58421579479 = 232540068673
BaseRepresentation
bin110110011010001100…
…101000111011010111
312120210111111201211221
4312122030220323113
51424121411020404
642501041111211
74135512142414
oct663214507327
9176714451757
1058421579479
112285a50539a
12b3a5328507
13568073b753
142b82db910b
1517bddb7954
hexd9a328ed7

58421579479 has 4 divisors (see below), whose sum is σ = 60961648176. Its totient is φ = 55881510784.

The previous prime is 58421579473. The next prime is 58421579539. The reversal of 58421579479 is 97497512485.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 58421579479 - 221 = 58419482327 is a prime.

It is a super-2 number, since 2×584215794792 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58421579473) 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, 1270034314 + ... + 1270034359.

It is an arithmetic number, because the mean of its divisors is an integer number (15240412044).

Almost surely, 258421579479 is an apocalyptic number.

58421579479 is a deficient number, since it is larger than the sum of its proper divisors (2540068697).

58421579479 is a wasteful number, since it uses less digits than its factorization.

58421579479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540068696.

The product of its digits is 25401600, while the sum is 61.

The spelling of 58421579479 in words is "fifty-eight billion, four hundred twenty-one million, five hundred seventy-nine thousand, four hundred seventy-nine".

Divisors: 1 23 2540068673 58421579479