Base | Representation |
---|---|
bin | 111001011010… |
… | …1000101100011 |
3 | 2002122022222200 |
4 | 1302311011203 |
5 | 30201224414 |
6 | 2553104243 |
7 | 513601344 |
oct | 162650543 |
9 | 62568880 |
10 | 30101859 |
11 | 15a9aa77 |
12 | a0b8083 |
13 | 630c468 |
14 | 3dd80cb |
15 | 2999109 |
hex | 1cb5163 |
30101859 has 24 divisors (see below), whose sum is σ = 44815680. Its totient is φ = 19461552.
The previous prime is 30101857. The next prime is 30101873. The reversal of 30101859 is 95810103.
It is not a de Polignac number, because 30101859 - 21 = 30101857 is a prime.
It is a super-2 number, since 2×301018592 = 1812243830511762, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30101857) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43732 + ... + 44414.
It is an arithmetic number, because the mean of its divisors is an integer number (1867320).
Almost surely, 230101859 is an apocalyptic number.
30101859 is a deficient number, since it is larger than the sum of its proper divisors (14713821).
30101859 is a wasteful number, since it uses less digits than its factorization.
30101859 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 831 (or 828 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
The square root of 30101859 is about 5486.5161076953. The cubic root of 30101859 is about 311.0745195579.
The spelling of 30101859 in words is "thirty million, one hundred one thousand, eight hundred fifty-nine".
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