Base | Representation |
---|---|
bin | 11100000010001010… |
… | …101010100010111101 |
3 | 2212200210120101121020 |
4 | 130002022222202331 |
5 | 443121341334323 |
6 | 21454523254353 |
7 | 2113635210612 |
oct | 340212524275 |
9 | 85623511536 |
10 | 30101121213 |
11 | 11847330989 |
12 | 5a0097a3b9 |
13 | 2ab930c037 |
14 | 1657a4c509 |
15 | bb2950ae3 |
hex | 7022aa8bd |
30101121213 has 32 divisors (see below), whose sum is σ = 44490902400. Its totient is φ = 18015922176.
The previous prime is 30101121173. The next prime is 30101121227. The reversal of 30101121213 is 31212110103.
It is a happy number.
It is not a de Polignac number, because 30101121213 - 29 = 30101120701 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30101121192 and 30101121201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30101121263) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153 + ... + 245361.
It is an arithmetic number, because the mean of its divisors is an integer number (1390340700).
Almost surely, 230101121213 is an apocalyptic number.
It is an amenable number.
30101121213 is a deficient number, since it is larger than the sum of its proper divisors (14389781187).
30101121213 is a wasteful number, since it uses less digits than its factorization.
30101121213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245341.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 30101121213 its reverse (31212110103), we get a palindrome (61313231316).
The spelling of 30101121213 in words is "thirty billion, one hundred one million, one hundred twenty-one thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •