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30855825163 = 1715195312613
BaseRepresentation
bin11100101111001001…
…101000011100001011
32221122101200022210101
4130233021220130023
51001143042401123
622101443230231
72141431120642
oct345711503413
987571608711
1030855825163
11120a4344159
125b91678377
132ba9792917
1416c9d86359
15c08d2baad
hex72f26870b

30855825163 has 16 divisors (see below), whose sum is σ = 32924356416. Its totient is φ = 28815897600.

The previous prime is 30855825157. The next prime is 30855825199. The reversal of 30855825163 is 36152855803.

It is a happy number.

It is not a de Polignac number, because 30855825163 - 221 = 30853728011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30855825263) 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, 2440045 + ... + 2452657.

It is an arithmetic number, because the mean of its divisors is an integer number (2057772276).

Almost surely, 230855825163 is an apocalyptic number.

30855825163 is a deficient number, since it is larger than the sum of its proper divisors (2068531253).

30855825163 is a wasteful number, since it uses less digits than its factorization.

30855825163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13734.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 30855825163 in words is "thirty billion, eight hundred fifty-five million, eight hundred twenty-five thousand, one hundred sixty-three".

Divisors: 1 17 151 953 2567 12613 16201 143903 214421 1904563 2446351 12020189 32377571 204343213 1815048539 30855825163