Base | Representation |
---|---|
bin | 1011101000001101… |
… | …0110100110111101 |
3 | 22001112112122100211 |
4 | 2322003112212331 |
5 | 22343042104323 |
6 | 1233423152421 |
7 | 140231545462 |
oct | 27203264675 |
9 | 8045478324 |
10 | 3121441213 |
11 | 1361a76a90 |
12 | 731445711 |
13 | 3a98c4447 |
14 | 2187b9669 |
15 | 13408170d |
hex | ba0d69bd |
3121441213 has 16 divisors (see below), whose sum is σ = 3613973760. Its totient is φ = 2664486400.
The previous prime is 3121441189. The next prime is 3121441217.
3121441213 is nontrivially palindromic in base 10.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3121441213 is a prime.
It is a super-2 number, since 2×31214412132 = 19486790492429822738, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3121441217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61233 + ... + 99961.
It is an arithmetic number, because the mean of its divisors is an integer number (225873360).
Almost surely, 23121441213 is an apocalyptic number.
It is an amenable number.
3121441213 is a deficient number, since it is larger than the sum of its proper divisors (492532547).
3121441213 is a wasteful number, since it uses less digits than its factorization.
3121441213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39188.
The product of its digits is 576, while the sum is 22.
The square root of 3121441213 is about 55869.8596114220. The cubic root of 3121441213 is about 1461.4536739620.
It can be divided in two parts, 31214 and 41213, that added together give a palindrome (72427).
The spelling of 3121441213 in words is "three billion, one hundred twenty-one million, four hundred forty-one thousand, two hundred thirteen".
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