Base | Representation |
---|---|
bin | 1001001100100100010100… |
… | …00000000110000001001111 |
3 | 2122121022011010101220121102 |
4 | 10212102022000012001033 |
5 | 10122313221423410111 |
6 | 111002154442453315 |
7 | 4155031214621561 |
oct | 446221200060117 |
9 | 78538133356542 |
10 | 20223021310031 |
11 | 64975983531a1 |
12 | 2327434b0423b |
13 | b3903ac13847 |
14 | 4dcb299b7331 |
15 | 2510a942913b |
hex | 12648a00604f |
20223021310031 has 8 divisors (see below), whose sum is σ = 20494367322240. Its totient is φ = 19952334706392.
The previous prime is 20223021310021. The next prime is 20223021310039. The reversal of 20223021310031 is 13001312032202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20223021310031 is a prime.
It is a super-2 number, since 2×202230213100312 (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 = 20223021309985 and 20223021310012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20223021310039) 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, 164790395 + ... + 164913068.
It is an arithmetic number, because the mean of its divisors is an integer number (2561795915280).
Almost surely, 220223021310031 is an apocalyptic number.
20223021310031 is a deficient number, since it is larger than the sum of its proper divisors (271346012209).
20223021310031 is an equidigital number, since it uses as much as digits as its factorization.
20223021310031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 329704285.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 20223021310031 its reverse (13001312032202), we get a palindrome (33224333342233).
It can be divided in two parts, 2022302 and 1310031, that added together give a palindrome (3332333).
The spelling of 20223021310031 in words is "twenty trillion, two hundred twenty-three billion, twenty-one million, three hundred ten thousand, thirty-one".
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