Base | Representation |
---|---|
bin | 10100101100100010… |
… | …100101011010000101 |
3 | 2010100200210122112111 |
4 | 110230202211122011 |
5 | 331002324200401 |
6 | 14113024421021 |
7 | 1414453506565 |
oct | 245442453205 |
9 | 63320718474 |
10 | 22222100101 |
11 | 9473883793 |
12 | 4382177771 |
13 | 2131b76576 |
14 | 110b476da5 |
15 | 8a0da0e51 |
hex | 52c8a5685 |
22222100101 has 4 divisors (see below), whose sum is σ = 22224081600. Its totient is φ = 22220118604.
The previous prime is 22222100083. The next prime is 22222100129. The reversal of 22222100101 is 10100122222.
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: 10100122222 = 2 ⋅5050061111.
It is a cyclic number.
It is not a de Polignac number, because 22222100101 - 223 = 22213711493 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22222500101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973831 + ... + 996388.
It is an arithmetic number, because the mean of its divisors is an integer number (5556020400).
Almost surely, 222222100101 is an apocalyptic number.
It is an amenable number.
22222100101 is a deficient number, since it is larger than the sum of its proper divisors (1981499).
22222100101 is a wasteful number, since it uses less digits than its factorization.
22222100101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1981498.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 22222100101 its reverse (10100122222), we get a palindrome (32322222323).
The spelling of 22222100101 in words is "twenty-two billion, two hundred twenty-two million, one hundred thousand, one hundred one".
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