Base | Representation |
---|---|
bin | 101111100110101110… |
… | …0010100110001100101 |
3 | 100202212122122222221022 |
4 | 1133031130110301211 |
5 | 3133332114032323 |
6 | 114544141100525 |
7 | 10246244116064 |
oct | 1371534246145 |
9 | 322778588838 |
10 | 102231002213 |
11 | 3a3a081008a |
12 | 17990b57745 |
13 | 9842aa72b2 |
14 | 4d3b48c1db |
15 | 29d502c4c8 |
hex | 17cd714c65 |
102231002213 has 4 divisors (see below), whose sum is σ = 102231835680. Its totient is φ = 102230168748.
The previous prime is 102231002179. The next prime is 102231002221. The reversal of 102231002213 is 312200132201.
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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 312200132201 = 33613 ⋅9288077.
It is a cyclic number.
It is not a de Polignac number, because 102231002213 - 218 = 102230740069 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102231002191 and 102231002200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102231002243) 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, 192545 + ... + 491462.
It is an arithmetic number, because the mean of its divisors is an integer number (25557958920).
Almost surely, 2102231002213 is an apocalyptic number.
It is an amenable number.
102231002213 is a deficient number, since it is larger than the sum of its proper divisors (833467).
102231002213 is an equidigital number, since it uses as much as digits as its factorization.
102231002213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 833466.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 102231002213 its reverse (312200132201), we get a palindrome (414431134414).
The spelling of 102231002213 in words is "one hundred two billion, two hundred thirty-one million, two thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •