Base | Representation |
---|---|
bin | 1011101010011111… |
… | …0100110010011010 |
3 | 22002012112101022102 |
4 | 2322213310302122 |
5 | 22403014031020 |
6 | 1234404123402 |
7 | 140406035513 |
oct | 27247646232 |
9 | 8065471272 |
10 | 3131002010 |
11 | 1367407174 |
12 | 734696562 |
13 | 3ab891116 |
14 | 219b87a0a |
15 | 134d1e475 |
hex | ba9f4c9a |
3131002010 has 8 divisors (see below), whose sum is σ = 5635803636. Its totient is φ = 1252400800.
The previous prime is 3131001889. The next prime is 3131002019. The reversal of 3131002010 is 102001313.
It can be written as a sum of positive squares in 2 ways, for example, as 2861287081 + 269714929 = 53491^2 + 16423^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 3131001982 and 3131002000.
It is not an unprimeable number, because it can be changed into a prime (3131002019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156550091 + ... + 156550110.
Almost surely, 23131002010 is an apocalyptic number.
3131002010 is a deficient number, since it is larger than the sum of its proper divisors (2504801626).
3131002010 is a wasteful number, since it uses less digits than its factorization.
3131002010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313100208.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 3131002010 is about 55955.3572949007. The cubic root of 3131002010 is about 1462.9442696358.
Adding to 3131002010 its reverse (102001313), we get a palindrome (3233003323).
The spelling of 3131002010 in words is "three billion, one hundred thirty-one million, two thousand, ten".
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