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30230304213 = 3173741390739
BaseRepresentation
bin11100001001110111…
…011101010111010101
32220000210122120100210
4130021313131113111
5443402424213323
621515420200033
72120064226464
oct341167352725
986023576323
1030230304213
1111903244a9a
125a38099019
132b09ccc995
14166ac789db
15bbde6c293
hex709ddd5d5

30230304213 has 32 divisors (see below), whose sum is σ = 44900714880. Its totient is φ = 18005207040.

The previous prime is 30230304191. The next prime is 30230304253. The reversal of 30230304213 is 31240303203.

It is not a de Polignac number, because 30230304213 - 210 = 30230303189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30230304213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230304253) 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, 118003 + ... + 272736.

It is an arithmetic number, because the mean of its divisors is an integer number (1403147340).

Almost surely, 230230304213 is an apocalyptic number.

It is an amenable number.

30230304213 is a deficient number, since it is larger than the sum of its proper divisors (14670410667).

30230304213 is a wasteful number, since it uses less digits than its factorization.

30230304213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390837.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30230304213 its reverse (31240303203), we get a palindrome (61470607416).

The spelling of 30230304213 in words is "thirty billion, two hundred thirty million, three hundred four thousand, two hundred thirteen".

Divisors: 1 3 17 37 41 51 111 123 629 697 1517 1887 2091 4551 25789 77367 390739 1172217 6642563 14457343 16020299 19927689 43372029 48060897 245774831 272345083 592751063 737324493 817035249 1778253189 10076768071 30230304213