Base | Representation |
---|---|
bin | 10011101110111… |
… | …001111101111001 |
3 | 212001221202021120 |
4 | 103232321331321 |
5 | 1134223010121 |
6 | 52503455453 |
7 | 11126663502 |
oct | 2356717571 |
9 | 761852246 |
10 | 331063161 |
11 | 15a970720 |
12 | 92a57589 |
13 | 53785980 |
14 | 31d7bba9 |
15 | 1e0e7bc6 |
hex | 13bb9f79 |
331063161 has 32 divisors (see below), whose sum is σ = 532629888. Its totient is φ = 180195840.
The previous prime is 331063093. The next prime is 331063181. The reversal of 331063161 is 161360133.
It is not a de Polignac number, because 331063161 - 214 = 331046777 is a prime.
It is not an unprimeable number, because it can be changed into a prime (331063181) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5445 + ... + 26301.
It is an arithmetic number, because the mean of its divisors is an integer number (16644684).
Almost surely, 2331063161 is an apocalyptic number.
It is an amenable number.
331063161 is a deficient number, since it is larger than the sum of its proper divisors (201566727).
331063161 is a wasteful number, since it uses less digits than its factorization.
331063161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20921.
The product of its (nonzero) digits is 972, while the sum is 24.
The square root of 331063161 is about 18195.1411371278. The cubic root of 331063161 is about 691.7836378228.
The spelling of 331063161 in words is "three hundred thirty-one million, sixty-three thousand, one hundred sixty-one".
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