Base | Representation |
---|---|
bin | 10100011111111001… |
… | …100100110001011001 |
3 | 2002210220202000110002 |
4 | 110133321210301121 |
5 | 330034031214001 |
6 | 14040011102345 |
7 | 1406300052161 |
oct | 243771446131 |
9 | 62726660402 |
10 | 22010023001 |
11 | 93750a205a |
12 | 43231419b5 |
13 | 20c9c51165 |
14 | 10cb22d5a1 |
15 | 88c45d46b |
hex | 51fe64c59 |
22010023001 has 4 divisors (see below), whose sum is σ = 22010936592. Its totient is φ = 22009109412.
The previous prime is 22010022977. The next prime is 22010023081. The reversal of 22010023001 is 10032001022.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10032001022 = 2 ⋅5016000511.
It is a cyclic number.
It is not a de Polignac number, because 22010023001 - 234 = 4830153817 is a prime.
It is a super-2 number, since 2×220100230012 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (22010023081) 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 3 ways as a sum of consecutive naturals, for example, 419651 + ... + 469176.
It is an arithmetic number, because the mean of its divisors is an integer number (5502734148).
Almost surely, 222010023001 is an apocalyptic number.
It is an amenable number.
22010023001 is a deficient number, since it is larger than the sum of its proper divisors (913591).
22010023001 is an equidigital number, since it uses as much as digits as its factorization.
22010023001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 913590.
The product of its (nonzero) digits is 24, while the sum is 11.
Adding to 22010023001 its reverse (10032001022), we get a palindrome (32042024023).
The spelling of 22010023001 in words is "twenty-two billion, ten million, twenty-three thousand, one".
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