Base | Representation |
---|---|
bin | 1011110001101010100… |
… | …0001111110011011111 |
3 | 201100012100101001222000 |
4 | 2330122220033303133 |
5 | 11303312404033043 |
6 | 232535014053343 |
7 | 20421302335161 |
oct | 2743250176337 |
9 | 640170331860 |
10 | 202310221023 |
11 | 78887933479 |
12 | 3326134a253 |
13 | 16101b32671 |
14 | 9b12c50931 |
15 | 53e11b42d3 |
hex | 2f1aa0fcdf |
202310221023 has 64 divisors (see below), whose sum is σ = 312609792000. Its totient is φ = 129204095328.
The previous prime is 202310220913. The next prime is 202310221027. The reversal of 202310221023 is 320122013202.
It is not a de Polignac number, because 202310221023 - 222 = 202306026719 is a prime.
It is a super-2 number, since 2×2023102210232 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202310220987 and 202310221005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202310221027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31711848 + ... + 31718226.
It is an arithmetic number, because the mean of its divisors is an integer number (4884528000).
Almost surely, 2202310221023 is an apocalyptic number.
202310221023 is a deficient number, since it is larger than the sum of its proper divisors (110299570977).
202310221023 is a wasteful number, since it uses less digits than its factorization.
202310221023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6953 (or 6947 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 202310221023 its reverse (320122013202), we get a palindrome (522432234225).
The spelling of 202310221023 in words is "two hundred two billion, three hundred ten million, two hundred twenty-one thousand, twenty-three".
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