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58287909421 = 728972874299
BaseRepresentation
bin110110010010001110…
…101110101000101101
312120110011222121000001
4312102032232220231
51423333201100141
642435504104301
74132300024660
oct662216565055
9176404877001
1058287909421
11227a1007075
12b368605091
13565bb39641
142b6d3416d7
1517b22b1a31
hexd923aea2d

58287909421 has 8 divisors (see below), whose sum is σ = 66637771200. Its totient is φ = 49943802048.

The previous prime is 58287909409. The next prime is 58287909431. The reversal of 58287909421 is 12490978285.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 58287909421 - 25 = 58287909389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58287909431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416871 + ... + 1457428.

It is an arithmetic number, because the mean of its divisors is an integer number (8329721400).

Almost surely, 258287909421 is an apocalyptic number.

It is an amenable number.

58287909421 is a deficient number, since it is larger than the sum of its proper divisors (8349861779).

58287909421 is a wasteful number, since it uses less digits than its factorization.

58287909421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877203.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 58287909421 in words is "fifty-eight billion, two hundred eighty-seven million, nine hundred nine thousand, four hundred twenty-one".

Divisors: 1 7 2897 20279 2874299 20120093 8326844203 58287909421