Base | Representation |
---|---|
bin | 10011000010010101… |
… | …01101001110011110 |
3 | 222101020222110101220 |
4 | 21201022231032132 |
5 | 131412323144410 |
6 | 4410044514210 |
7 | 511156452651 |
oct | 114112551636 |
9 | 28336873356 |
10 | 10220131230 |
11 | 4374aa7951 |
12 | 1b9284b966 |
13 | c6b4a283a |
14 | 6cd4a5898 |
15 | 3ec392070 |
hex | 2612ad39e |
10220131230 has 32 divisors (see below), whose sum is σ = 25971158304. Its totient is φ = 2565052416.
The previous prime is 10220131211. The next prime is 10220131237. The reversal of 10220131230 is 3213102201.
10220131230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10220131237) 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 15 ways as a sum of consecutive naturals, for example, 10019227 + ... + 10020246.
It is an arithmetic number, because the mean of its divisors is an integer number (811598697).
Almost surely, 210220131230 is an apocalyptic number.
10220131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10220131230 is an abundant number, since it is smaller than the sum of its proper divisors (15751027074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10220131230 is a wasteful number, since it uses less digits than its factorization.
10220131230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20039500.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 10220131230 its reverse (3213102201), we get a palindrome (13433233431).
The spelling of 10220131230 in words is "ten billion, two hundred twenty million, one hundred thirty-one thousand, two hundred thirty".
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