Base | Representation |
---|---|
bin | 11100100100101001… |
… | …000111001100000011 |
3 | 2221012002221111211001 |
4 | 130210221013030003 |
5 | 1000312424400240 |
6 | 22032144432431 |
7 | 2134160454421 |
oct | 344451071403 |
9 | 87162844731 |
10 | 30679528195 |
11 | 12013880688 |
12 | 5b42618717 |
13 | 2b7c0b73a4 |
14 | 16b07b4111 |
15 | be860589a |
hex | 724a47303 |
30679528195 has 4 divisors (see below), whose sum is σ = 36815433840. Its totient is φ = 24543622552.
The previous prime is 30679528183. The next prime is 30679528199. The reversal of 30679528195 is 59182597603.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59182597603 = 227 ⋅260716289.
It is a cyclic number.
It is not a de Polignac number, because 30679528195 - 25 = 30679528163 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30679528199) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3067952815 + ... + 3067952824.
It is an arithmetic number, because the mean of its divisors is an integer number (9203858460).
Almost surely, 230679528195 is an apocalyptic number.
30679528195 is a deficient number, since it is larger than the sum of its proper divisors (6135905645).
30679528195 is an equidigital number, since it uses as much as digits as its factorization.
30679528195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6135905644.
The product of its (nonzero) digits is 4082400, while the sum is 55.
The spelling of 30679528195 in words is "thirty billion, six hundred seventy-nine million, five hundred twenty-eight thousand, one hundred ninety-five".
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