Base | Representation |
---|---|
bin | 1001001011111101100101… |
… | …10111111110011001010111 |
3 | 2122112022111022001021000210 |
4 | 10211332302313332121113 |
5 | 10121443132421223111 |
6 | 110544435524140503 |
7 | 4153364101322523 |
oct | 445766267763127 |
9 | 78468438037023 |
10 | 20202232211031 |
11 | 648979a459442 |
12 | 23233b2837733 |
13 | b370a6c01a30 |
14 | 4dbb169a2d83 |
15 | 25078e28b0a6 |
hex | 125fb2dfe657 |
20202232211031 has 16 divisors (see below), whose sum is σ = 29013969688704. Its totient is φ = 12429727360224.
The previous prime is 20202232210997. The next prime is 20202232211047. The reversal of 20202232211031 is 13011223220202.
It is not a de Polignac number, because 20202232211031 - 27 = 20202232210903 is a prime.
It is a super-2 number, since 2×202022322110312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20202232210989 and 20202232211007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20202232211081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50120421 + ... + 50521886.
It is an arithmetic number, because the mean of its divisors is an integer number (1813373105544).
Almost surely, 220202232211031 is an apocalyptic number.
20202232211031 is a deficient number, since it is larger than the sum of its proper divisors (8811737477673).
20202232211031 is a wasteful number, since it uses less digits than its factorization.
20202232211031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100647470.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 20202232211031 its reverse (13011223220202), we get a palindrome (33213455431233).
The spelling of 20202232211031 in words is "twenty trillion, two hundred two billion, two hundred thirty-two million, two hundred eleven thousand, thirty-one".
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