Base | Representation |
---|---|
bin | 101111100110011001… |
… | …0011001001011100101 |
3 | 100202211212222112202012 |
4 | 1133030302121023211 |
5 | 3133321310311323 |
6 | 114543105324005 |
7 | 10246051515326 |
oct | 1371462311345 |
9 | 322755875665 |
10 | 102220010213 |
11 | 3a395592692 |
12 | 17989336605 |
13 | 9840729059 |
14 | 4d39c2a44d |
15 | 29d40aa678 |
hex | 17ccc992e5 |
102220010213 has 4 divisors (see below), whose sum is σ = 102906050700. Its totient is φ = 101533969728.
The previous prime is 102220010197. The next prime is 102220010227. The reversal of 102220010213 is 312010022201.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312010022201 = 67 ⋅4656866003.
It can be written as a sum of positive squares in 2 ways, for example, as 6753223684 + 95466786529 = 82178^2 + 308977^2 .
It is a cyclic number.
It is not a de Polignac number, because 102220010213 - 24 = 102220010197 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 (102220610213) 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, 343020020 + ... + 343020317.
It is an arithmetic number, because the mean of its divisors is an integer number (25726512675).
Almost surely, 2102220010213 is an apocalyptic number.
It is an amenable number.
102220010213 is a deficient number, since it is larger than the sum of its proper divisors (686040487).
102220010213 is an equidigital number, since it uses as much as digits as its factorization.
102220010213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 686040486.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 102220010213 its reverse (312010022201), we get a palindrome (414230032414).
The spelling of 102220010213 in words is "one hundred two billion, two hundred twenty million, ten thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •