Base | Representation |
---|---|
bin | 1011100011000110… |
… | …0100000000110101 |
3 | 22000001012022222021 |
4 | 2320301210000311 |
5 | 22322100002214 |
6 | 1231335433141 |
7 | 136551365530 |
oct | 27061440065 |
9 | 8001168867 |
10 | 3100000309 |
11 | 135096212a |
12 | 7262257b1 |
13 | 3a5328213 |
14 | 2159d7a17 |
15 | 132248924 |
hex | b8c64035 |
3100000309 has 16 divisors (see below), whose sum is σ = 3748096000. Its totient is φ = 2504622384.
The previous prime is 3100000289. The next prime is 3100000313. The reversal of 3100000309 is 9030000013.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 3100000309 - 29 = 3099999797 is a prime.
It is a super-2 number, since 2×31000003092 = 19220003831600190962, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3100000292 and 3100000301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3100000339) 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 15 ways as a sum of consecutive naturals, for example, 32097 + ... + 85030.
It is an arithmetic number, because the mean of its divisors is an integer number (234256000).
Almost surely, 23100000309 is an apocalyptic number.
It is an amenable number.
3100000309 is a deficient number, since it is larger than the sum of its proper divisors (648095691).
3100000309 is a wasteful number, since it uses less digits than its factorization.
3100000309 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117352.
The product of its (nonzero) digits is 81, while the sum is 16.
The square root of 3100000309 is about 55677.6464032021. The cubic root of 3100000309 is about 1458.0997842732.
The spelling of 3100000309 in words is "three billion, one hundred million, three hundred nine", and thus it is an aban number.
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