Base | Representation |
---|---|
bin | 10011001101010011… |
… | …01010001010001010 |
3 | 222121200002112122120 |
4 | 21212221222022022 |
5 | 132104401144320 |
6 | 4423132432110 |
7 | 513354445323 |
oct | 114651521212 |
9 | 28550075576 |
10 | 10312131210 |
11 | 4411a24897 |
12 | 1bb9618636 |
13 | c84574bb4 |
14 | 6db7b344a |
15 | 4054b6440 |
hex | 266a6a28a |
10312131210 has 16 divisors (see below), whose sum is σ = 24749114976. Its totient is φ = 2749901648.
The previous prime is 10312131197. The next prime is 10312131211. The reversal of 10312131210 is 1213121301.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 10312131210.
It is not an unprimeable number, because it can be changed into a prime (10312131211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171868824 + ... + 171868883.
It is an arithmetic number, because the mean of its divisors is an integer number (1546819686).
Almost surely, 210312131210 is an apocalyptic number.
10312131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10312131210 is an abundant number, since it is smaller than the sum of its proper divisors (14436983766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10312131210 is a wasteful number, since it uses less digits than its factorization.
10312131210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343737717.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 10312131210 its reverse (1213121301), we get a palindrome (11525252511).
Subtracting from 10312131210 its reverse (1213121301), we obtain a palindrome (9099009909).
The spelling of 10312131210 in words is "ten billion, three hundred twelve million, one hundred thirty-one thousand, two hundred ten".
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