Base | Representation |
---|---|
bin | 1001001001101010010000… |
… | …00001011111001101101110 |
3 | 2122020202022112112021002110 |
4 | 10210311020001133031232 |
5 | 10114144132303200220 |
6 | 110444234404104450 |
7 | 4144563631615353 |
oct | 444651001371556 |
9 | 78222275467073 |
10 | 20123130131310 |
11 | 6459198394138 |
12 | 230bbb7695126 |
13 | b2c7abb15abb |
14 | 4d7d711a262a |
15 | 24d6aea37be0 |
hex | 124d4805f36e |
20123130131310 has 32 divisors (see below), whose sum is σ = 48295817695872. Its totient is φ = 5366134103840.
The previous prime is 20123130131297. The next prime is 20123130131311. The reversal of 20123130131310 is 1313103132102.
It is a happy number.
It is a super-2 number, since 2×201231301313102 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20123130131311) 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, 2897497 + ... + 6974363.
It is an arithmetic number, because the mean of its divisors is an integer number (1509244302996).
Almost surely, 220123130131310 is an apocalyptic number.
20123130131310 is an abundant number, since it is smaller than the sum of its proper divisors (28172687564562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20123130131310 is a wasteful number, since it uses less digits than its factorization.
20123130131310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4241408.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 20123130131310 its reverse (1313103132102), we get a palindrome (21436233263412).
The spelling of 20123130131310 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty million, one hundred thirty-one thousand, three hundred ten".
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