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30017817133 = 179079112137
BaseRepresentation
bin11011111101001100…
…111000101000101101
32212110222211002212221
4123331030320220231
5442434030122013
621442345555341
72111604143563
oct337514705055
985428732787
1030017817133
1111804303337
125998aa5b51
132aa4c92a95
14164a965a33
15baa49808d
hex6fd338a2d

30017817133 has 16 divisors (see below), whose sum is σ = 31868446464. Its totient is φ = 28176744960.

The previous prime is 30017817103. The next prime is 30017817139. The reversal of 30017817133 is 33171871003.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30017817133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30017817139) 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, 14045641 + ... + 14047777.

It is an arithmetic number, because the mean of its divisors is an integer number (1991777904).

Almost surely, 230017817133 is an apocalyptic number.

It is an amenable number.

30017817133 is a deficient number, since it is larger than the sum of its proper divisors (1850629331).

30017817133 is a wasteful number, since it uses less digits than its factorization.

30017817133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972.

The product of its (nonzero) digits is 10584, while the sum is 34.

The spelling of 30017817133 in words is "thirty billion, seventeen million, eight hundred seventeen thousand, one hundred thirty-three".

Divisors: 1 17 907 911 2137 15419 15487 36329 826277 1938259 1946807 14046709 32950403 33095719 1765753949 30017817133