Base | Representation |
---|---|
bin | 110100100011011000100101… |
… | …101110011111000111100100 |
3 | 1010022100210221022100102010121 |
4 | 310203120211232133013210 |
5 | 220243313221232310040 |
6 | 2135323354010531324 |
7 | 66453406640065012 |
oct | 6443304556370744 |
9 | 1108323838312117 |
10 | 231130003010020 |
11 | 67710758174944 |
12 | 21b0a662436b44 |
13 | 9bc760938355a |
14 | 4110a750678b2 |
15 | 1bac34d839c4a |
hex | d23625b9f1e4 |
231130003010020 has 24 divisors (see below), whose sum is σ = 485386836480000. Its totient is φ = 92449366888032.
The previous prime is 231130003009951. The next prime is 231130003010029. The reversal of 231130003010020 is 20010300031132.
It is a junction number, because it is equal to n+sod(n) for n = 231130003009976 and 231130003010003.
It is not an unprimeable number, because it can be changed into a prime (231130003010029) 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, 163925220 + ... + 165329179.
It is an arithmetic number, because the mean of its divisors is an integer number (20224451520000).
Almost surely, 2231130003010020 is an apocalyptic number.
231130003010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231130003010020 is an abundant number, since it is smaller than the sum of its proper divisors (254256833469980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231130003010020 is a wasteful number, since it uses less digits than its factorization.
231130003010020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 329289507 (or 329289505 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 231130003010020 its reverse (20010300031132), we get a palindrome (251140303041152).
The spelling of 231130003010020 in words is "two hundred thirty-one trillion, one hundred thirty billion, three million, ten thousand, twenty".
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