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30230220402 = 2324673596267
BaseRepresentation
bin11100001001110111…
…001000111001110010
32220000210111022101200
4130021313020321302
5443402414023102
621515414312030
72120063430234
oct341167107162
986023438350
1030230220402
1111903198028
125a38058616
132b09ca07a5
14166ac56254
15bbde5251c
hex709dc8e72

30230220402 has 24 divisors (see below), whose sum is σ = 65639083536. Its totient is φ = 10055159736.

The previous prime is 30230220353. The next prime is 30230220443. The reversal of 30230220402 is 20402203203.

30230220402 is a `hidden beast` number, since 30 + 230 + 2 + 2 + 0 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1789728 + ... + 1806539.

It is an arithmetic number, because the mean of its divisors is an integer number (2734961814).

Almost surely, 230230220402 is an apocalyptic number.

30230220402 is an abundant number, since it is smaller than the sum of its proper divisors (35408863134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30230220402 is a wasteful number, since it uses less digits than its factorization.

30230220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596742 (or 3596739 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 30230220402 its reverse (20402203203), we get a palindrome (50632423605).

The spelling of 30230220402 in words is "thirty billion, two hundred thirty million, two hundred twenty thousand, four hundred two".

Divisors: 1 2 3 6 9 18 467 934 1401 2802 4203 8406 3596267 7192534 10788801 21577602 32366403 64732806 1679456689 3358913378 5038370067 10076740134 15115110201 30230220402