Search a number
-
+
30390191313 = 3499131915391
BaseRepresentation
bin11100010011011001…
…011000010011010001
32220102221111200020020
4130103121120103101
5444214342110223
621543331134053
72124045235566
oct342331302321
986387450206
1030390191313
111198551a599
125a81744329
132b34180c31
1416841b886d
15bcd0011e3
hex7136584d1

30390191313 has 16 divisors (see below), whose sum is σ = 40634880000. Its totient is φ = 20202883920.

The previous prime is 30390191297. The next prime is 30390191329. The reversal of 30390191313 is 31319109303.

It is an interprime number because it is at equal distance from previous prime (30390191297) and next prime (30390191329).

It is not a de Polignac number, because 30390191313 - 24 = 30390191297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30390191333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1966848 + ... + 1982238.

It is an arithmetic number, because the mean of its divisors is an integer number (2539680000).

Almost surely, 230390191313 is an apocalyptic number.

It is an amenable number.

30390191313 is a deficient number, since it is larger than the sum of its proper divisors (10244688687).

30390191313 is a wasteful number, since it uses less digits than its factorization.

30390191313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17212.

The product of its (nonzero) digits is 6561, while the sum is 33.

The spelling of 30390191313 in words is "thirty billion, three hundred ninety million, one hundred ninety-one thousand, three hundred thirteen".

Divisors: 1 3 499 1319 1497 3957 15391 46173 658181 1974543 7680109 20300729 23040327 60902187 10130063771 30390191313