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30231115803 = 327268551283
BaseRepresentation
bin11100001001111010…
…100011100000011011
32220000212011210122200
4130021322203200123
5443403131201203
621515445421243
72120104146600
oct341172434033
986025153580
1030231115803
1111903749829
125a3840a823
132b0a225205
14166b00a6a7
15bbe07c9a3
hex709ea381b

30231115803 has 18 divisors (see below), whose sum is σ = 50796501444. Its totient is φ = 17274923064.

The previous prime is 30231115799. The next prime is 30231115807. The reversal of 30231115803 is 30851113203.

It is an interprime number because it is at equal distance from previous prime (30231115799) and next prime (30231115807).

It is not a de Polignac number, because 30231115803 - 22 = 30231115799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30231115807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34275201 + ... + 34276082.

It is an arithmetic number, because the mean of its divisors is an integer number (2822027858).

Almost surely, 230231115803 is an apocalyptic number.

30231115803 is a deficient number, since it is larger than the sum of its proper divisors (20565385641).

30231115803 is a wasteful number, since it uses less digits than its factorization.

30231115803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68551303 (or 68551293 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 30231115803 in words is "thirty billion, two hundred thirty-one million, one hundred fifteen thousand, eight hundred three".

Divisors: 1 3 7 9 21 49 63 147 441 68551283 205653849 479858981 616961547 1439576943 3359012867 4318730829 10077038601 30231115803