Base | Representation |
---|---|
bin | 10111010000110101100110… |
… | …001111001010101100101110 |
3 | 111102020221111100002201200002 |
4 | 113100311212033022230232 |
5 | 101402240221042210110 |
6 | 1001333313314504302 |
7 | 30356543663150150 |
oct | 2720654617125456 |
9 | 442227440081602 |
10 | 102312131210030 |
11 | 2a666370883975 |
12 | b584939895092 |
13 | 4511cb98c0bb1 |
14 | 1b39d0da18ad0 |
15 | bc658ee98aa5 |
hex | 5d0d663cab2e |
102312131210030 has 32 divisors (see below), whose sum is σ = 210727028952000. Its totient is φ = 35035718480640.
The previous prime is 102312131209997. The next prime is 102312131210039. The reversal of 102312131210030 is 30012131213201.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 102312131209984 and 102312131210011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102312131210039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890077655 + ... + 890192594.
It is an arithmetic number, because the mean of its divisors is an integer number (6585219654750).
Almost surely, 2102312131210030 is an apocalyptic number.
102312131210030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102312131210030 is an abundant number, since it is smaller than the sum of its proper divisors (108414897741970).
102312131210030 is a wasteful number, since it uses less digits than its factorization.
102312131210030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1780271084.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 102312131210030 its reverse (30012131213201), we get a palindrome (132324262423231).
The spelling of 102312131210030 in words is "one hundred two trillion, three hundred twelve billion, one hundred thirty-one million, two hundred ten thousand, thirty".
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