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9058420813 = 1331412811951
BaseRepresentation
bin10000110111110110…
…01000100001001101
3212101022000110022011
420123323020201031
5122022423431223
64054505221221
7440322210061
oct103373104115
925338013264
109058420813
1139292736a2
121909791811
13b148c6520
1461d0a1aa1
153803bb80d
hex21bec884d

9058420813 has 32 divisors (see below), whose sum is σ = 10357530624. Its totient is φ = 7862400000.

The previous prime is 9058420781. The next prime is 9058420823. The reversal of 9058420813 is 3180248509.

It is not a de Polignac number, because 9058420813 - 25 = 9058420781 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9058420823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4641988 + ... + 4643938.

It is an arithmetic number, because the mean of its divisors is an integer number (323672832).

Almost surely, 29058420813 is an apocalyptic number.

It is an amenable number.

9058420813 is a deficient number, since it is larger than the sum of its proper divisors (1299109811).

9058420813 is a wasteful number, since it uses less digits than its factorization.

9058420813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 9058420813 is about 95175.7364720652. The cubic root of 9058420813 is about 2084.5748673051.

The spelling of 9058420813 in words is "nine billion, fifty-eight million, four hundred twenty thousand, eight hundred thirteen".

Divisors: 1 13 31 41 281 403 533 1271 1951 3653 8711 11521 16523 25363 60481 79991 113243 149773 357151 548231 786253 1039883 2479721 4642963 7127003 16995161 22477471 32236373 220937093 292207123 696801601 9058420813