Base | Representation |
---|---|
bin | 10101011100001110… |
… | …101110110010100101 |
3 | 2012102110100001000221 |
4 | 111130032232302211 |
5 | 334122140431041 |
6 | 14324245404341 |
7 | 1443340326340 |
oct | 253416566245 |
9 | 65373301027 |
10 | 23022202021 |
11 | 9844484145 |
12 | 45661096b1 |
13 | 222b863960 |
14 | 118582b457 |
15 | 8eb2482d1 |
hex | 55c3aeca5 |
23022202021 has 32 divisors (see below), whose sum is σ = 29017936640. Its totient is φ = 17777055744.
The previous prime is 23022202019. The next prime is 23022202079. The reversal of 23022202021 is 12020222032.
It is not a de Polignac number, because 23022202021 - 21 = 23022202019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23022201986 and 23022202004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23022205021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8877301 + ... + 8879893.
It is an arithmetic number, because the mean of its divisors is an integer number (906810520).
Almost surely, 223022202021 is an apocalyptic number.
It is an amenable number.
23022202021 is a deficient number, since it is larger than the sum of its proper divisors (5995734619).
23022202021 is a wasteful number, since it uses less digits than its factorization.
23022202021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4925.
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 23022202021 its reverse (12020222032), we get a palindrome (35042424053).
The spelling of 23022202021 in words is "twenty-three billion, twenty-two million, two hundred two thousand, twenty-one".
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