Base | Representation |
---|---|
bin | 11111000000110101011… |
… | …010111011100100110110 |
3 | 21112201222222211222200121 |
4 | 133000311122323210312 |
5 | 234404144201443110 |
6 | 4311020525002154 |
7 | 306655060240120 |
oct | 37006532734466 |
9 | 7481888758617 |
10 | 2131200031030 |
11 | 751922947aa4 |
12 | 2a505a6b335a |
13 | 125c81c41525 |
14 | 75217496210 |
15 | 3a686385cda |
hex | 1f0356bb936 |
2131200031030 has 16 divisors (see below), whose sum is σ = 4384182921120. Its totient is φ = 730697153472.
The previous prime is 2131200031021. The next prime is 2131200031031. The reversal of 2131200031030 is 301300021312.
It is a junction number, because it is equal to n+sod(n) for n = 2131200030995 and 2131200031013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131200031031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15222857295 + ... + 15222857434.
It is an arithmetic number, because the mean of its divisors is an integer number (274011432570).
Almost surely, 22131200031030 is an apocalyptic number.
2131200031030 is an abundant number, since it is smaller than the sum of its proper divisors (2252982890090).
2131200031030 is a wasteful number, since it uses less digits than its factorization.
2131200031030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30445714743.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 2131200031030 its reverse (301300021312), we get a palindrome (2432500052342).
The spelling of 2131200031030 in words is "two trillion, one hundred thirty-one billion, two hundred million, thirty-one thousand, thirty".
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