Base | Representation |
---|---|
bin | 10111001100101111110010… |
… | …110101001000100000011110 |
3 | 111101021001220100202221002010 |
4 | 113030233302311020200132 |
5 | 101333134013131144410 |
6 | 1001000223211412050 |
7 | 30330332562333513 |
oct | 2714576265104036 |
9 | 441231810687063 |
10 | 102031022131230 |
11 | 2a568128060345 |
12 | b53a366a54026 |
13 | 44c163a75aa8a |
14 | 1b2a48377930a |
15 | bbe0daec9c20 |
hex | 5ccbf2d4881e |
102031022131230 has 64 divisors (see below), whose sum is σ = 255525736527360. Its totient is φ = 26024838930816.
The previous prime is 102031022131177. The next prime is 102031022131237. The reversal of 102031022131230 is 32131220130201.
It is a junction number, because it is equal to n+sod(n) for n = 102031022131197 and 102031022131206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102031022131237) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38156181 + ... + 40742559.
It is an arithmetic number, because the mean of its divisors is an integer number (3992589633240).
Almost surely, 2102031022131230 is an apocalyptic number.
102031022131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102031022131230 is an abundant number, since it is smaller than the sum of its proper divisors (153494714396130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102031022131230 is a wasteful number, since it uses less digits than its factorization.
102031022131230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2643585.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 102031022131230 its reverse (32131220130201), we get a palindrome (134162242261431).
The spelling of 102031022131230 in words is "one hundred two trillion, thirty-one billion, twenty-two million, one hundred thirty-one thousand, two hundred thirty".
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