Base | Representation |
---|---|
bin | 10101100010101110… |
… | …101001000001011110 |
3 | 2012201001111020201102 |
4 | 111202232221001132 |
5 | 334333043332202 |
6 | 14343142313102 |
7 | 1446133133135 |
oct | 254256510136 |
9 | 65631436642 |
10 | 23131230302 |
11 | 989aa81764 |
12 | 4596728792 |
13 | 224831892b |
14 | 11960cc91c |
15 | 905ad2d02 |
hex | 562ba905e |
23131230302 has 16 divisors (see below), whose sum is σ = 36741003840. Its totient is φ = 10884346368.
The previous prime is 23131230233. The next prime is 23131230307. The reversal of 23131230302 is 20303213132.
It is a super-2 number, since 2×231312303022 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23131230307) 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 7 ways as a sum of consecutive naturals, for example, 519878 + ... + 562614.
It is an arithmetic number, because the mean of its divisors is an integer number (2296312740).
Almost surely, 223131230302 is an apocalyptic number.
23131230302 is a deficient number, since it is larger than the sum of its proper divisors (13609773538).
23131230302 is a wasteful number, since it uses less digits than its factorization.
23131230302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58675.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 23131230302 its reverse (20303213132), we get a palindrome (43434443434).
The spelling of 23131230302 in words is "twenty-three billion, one hundred thirty-one million, two hundred thirty thousand, three hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •