Base | Representation |
---|---|
bin | 11101111110101101110… |
… | …11001011101000101001 |
3 | 10122110212122120101122021 |
4 | 32333112323023220221 |
5 | 113334122333201441 |
6 | 2105120042424441 |
7 | 134264625134635 |
oct | 16772673135051 |
9 | 3573778511567 |
10 | 1030103022121 |
11 | 367956334a78 |
12 | 147783502121 |
13 | 761a4ac1b74 |
14 | 37c0042bdc5 |
15 | 1bbde4403d1 |
hex | efd6ecba29 |
1030103022121 has 4 divisors (see below), whose sum is σ = 1032357077332. Its totient is φ = 1027848966912.
The previous prime is 1030103022097. The next prime is 1030103022133. The reversal of 1030103022121 is 1212203010301.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 930335482521 + 99767539600 = 964539^2 + 315860^2 .
It is a cyclic number.
It is not a de Polignac number, because 1030103022121 - 29 = 1030103021609 is a prime.
It is a super-2 number, since 2×10301030221212 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1030103022095 and 1030103022104.
It is not an unprimeable number, because it can be changed into a prime (1030103022161) 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, 1127026920 + ... + 1127027833.
It is an arithmetic number, because the mean of its divisors is an integer number (258089269333).
Almost surely, 21030103022121 is an apocalyptic number.
It is an amenable number.
1030103022121 is a deficient number, since it is larger than the sum of its proper divisors (2254055211).
1030103022121 is an equidigital number, since it uses as much as digits as its factorization.
1030103022121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2254055210.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 1030103022121 its reverse (1212203010301), we get a palindrome (2242306032422).
The spelling of 1030103022121 in words is "one trillion, thirty billion, one hundred three million, twenty-two thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •