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30325139206 = 2176717376949
BaseRepresentation
bin11100001111100001…
…001110011100000110
32220021102002200111221
4130033201032130012
5444101213423311
621533044550554
72122325300365
oct341741163406
986242080457
1030325139206
1111951828a1a
125a639b245a
132b2385556b
1416796c37dc
15bc7451671
hex70f84e706

30325139206 has 32 divisors (see below), whose sum is σ = 49165509600. Its totient is φ = 13976219136.

The previous prime is 30325139171. The next prime is 30325139231. The reversal of 30325139206 is 60293152303.

It is a super-2 number, since 2×303251392062 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 355620 + ... + 432568.

It is an arithmetic number, because the mean of its divisors is an integer number (1536422175).

Almost surely, 230325139206 is an apocalyptic number.

30325139206 is a deficient number, since it is larger than the sum of its proper divisors (18840370394).

30325139206 is a wasteful number, since it uses less digits than its factorization.

30325139206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77208.

The product of its (nonzero) digits is 29160, while the sum is 34.

The spelling of 30325139206 in words is "thirty billion, three hundred twenty-five million, one hundred thirty-nine thousand, two hundred six".

Divisors: 1 2 17 34 67 134 173 346 1139 2278 2941 5882 11591 23182 76949 153898 197047 394094 1308133 2616266 5155583 10311166 13312177 26624354 87644911 175289822 226307009 452614018 891915859 1783831718 15162569603 30325139206