Base | Representation |
---|---|
bin | 1011101010011111… |
… | …1110000111010010 |
3 | 22002012121022201020 |
4 | 2322213332013102 |
5 | 22403021241320 |
6 | 1234405020310 |
7 | 140406255054 |
oct | 27247760722 |
9 | 8065538636 |
10 | 3131040210 |
11 | 1367432941 |
12 | 7346b4696 |
13 | 3ab8a561c |
14 | 219b978d4 |
15 | 134d2a940 |
hex | ba9fe1d2 |
3131040210 has 32 divisors (see below), whose sum is σ = 7909997760. Its totient is φ = 790999488.
The previous prime is 3131040193. The next prime is 3131040217. The reversal of 3131040210 is 120401313.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 3131040210.
It is not an unprimeable number, because it can be changed into a prime (3131040217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2745957 + ... + 2747096.
It is an arithmetic number, because the mean of its divisors is an integer number (247187430).
Almost surely, 23131040210 is an apocalyptic number.
3131040210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3131040210 is an abundant number, since it is smaller than the sum of its proper divisors (4778957550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131040210 is a wasteful number, since it uses less digits than its factorization.
3131040210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5493082.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 3131040210 is about 55955.6986374042. The cubic root of 3131040210 is about 1462.9502191949.
Adding to 3131040210 its reverse (120401313), we get a palindrome (3251441523).
The spelling of 3131040210 in words is "three billion, one hundred thirty-one million, forty thousand, two hundred ten".
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