Base | Representation |
---|---|
bin | 10011101110101… |
… | …101101110010010 |
3 | 212001212012111010 |
4 | 103232231232102 |
5 | 1134214404020 |
6 | 52502431350 |
7 | 11126364336 |
oct | 2356555622 |
9 | 761765433 |
10 | 331013010 |
11 | 15a936a79 |
12 | 92a32556 |
13 | 53768bb3 |
14 | 31d677c6 |
15 | 1e0d7de0 |
hex | 13badb92 |
331013010 has 128 divisors (see below), whose sum is σ = 865935360. Its totient is φ = 80765696.
The previous prime is 331012943. The next prime is 331013017. The reversal of 331013010 is 10310133.
It is a super-2 number, since 2×3310130102 = 219139225578520200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (331013017) by changing a digit.
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 63 ways as a sum of consecutive naturals, for example, 1913284 + ... + 1913456.
It is an arithmetic number, because the mean of its divisors is an integer number (6765120).
Almost surely, 2331013010 is an apocalyptic number.
331013010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 331013010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432967680).
331013010 is an abundant number, since it is smaller than the sum of its proper divisors (534922350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331013010 is a wasteful number, since it uses less digits than its factorization.
331013010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 312.
The product of its (nonzero) digits is 27, while the sum is 12.
The square root of 331013010 is about 18193.7629422833. The cubic root of 331013010 is about 691.7487045157.
Adding to 331013010 its reverse (10310133), we get a palindrome (341323143).
The spelling of 331013010 in words is "three hundred thirty-one million, thirteen thousand, ten".
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