Base | Representation |
---|---|
bin | 1001001001100100110110… |
… | …01100000011000001000111 |
3 | 2122020110211110020201211012 |
4 | 10210302123030003001013 |
5 | 10114122212443103111 |
6 | 110443034541432435 |
7 | 4144432031635010 |
oct | 444623314030107 |
9 | 78213743221735 |
10 | 20120230441031 |
11 | 6457a3a606996 |
12 | 230b52856b71b |
13 | b2c439153036 |
14 | 4d7b7802c007 |
15 | 24d5901aa48b |
hex | 124c9b303047 |
20120230441031 has 4 divisors (see below), whose sum is σ = 22994549075472. Its totient is φ = 17245911806592.
The previous prime is 20120230441007. The next prime is 20120230441037. The reversal of 20120230441031 is 13014403202102.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 20120230441031 - 218 = 20120230178887 is a prime.
It is a super-2 number, since 2×201202304410312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20120230440988 and 20120230441006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20120230441037) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437159317210 + ... + 1437159317223.
It is an arithmetic number, because the mean of its divisors is an integer number (5748637268868).
Almost surely, 220120230441031 is an apocalyptic number.
20120230441031 is a deficient number, since it is larger than the sum of its proper divisors (2874318634441).
20120230441031 is an equidigital number, since it uses as much as digits as its factorization.
20120230441031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2874318634440.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 20120230441031 its reverse (13014403202102), we get a palindrome (33134633643133).
The spelling of 20120230441031 in words is "twenty trillion, one hundred twenty billion, two hundred thirty million, four hundred forty-one thousand, thirty-one".
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