Base | Representation |
---|---|
bin | 1101101100000111100101… |
… | …01110111110111101001011 |
3 | 10221120211121222202012002012 |
4 | 12312003302232332331023 |
5 | 12421202330010310011 |
6 | 144005115354130135 |
7 | 6224612303256416 |
oct | 666036256767513 |
9 | 127524558665065 |
10 | 30103203213131 |
11 | 9656773474634 |
12 | 3462251a2094b |
13 | 13a4948773b79 |
14 | 7610079d0b7d |
15 | 3730c0348a8b |
hex | 1b60f2bbef4b |
30103203213131 has 2 divisors, whose sum is σ = 30103203213132. Its totient is φ = 30103203213130.
The previous prime is 30103203213119. The next prime is 30103203213203. The reversal of 30103203213131 is 13131230230103.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30103203213131 - 26 = 30103203213067 is a prime.
It is a super-2 number, since 2×301032032131312 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30103203213097 and 30103203213106.
It is not a weakly prime, because it can be changed into another prime (30103203213731) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051601606565 + 15051601606566.
It is an arithmetic number, because the mean of its divisors is an integer number (15051601606566).
Almost surely, 230103203213131 is an apocalyptic number.
30103203213131 is a deficient number, since it is larger than the sum of its proper divisors (1).
30103203213131 is an equidigital number, since it uses as much as digits as its factorization.
30103203213131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 30103203213131 its reverse (13131230230103), we get a palindrome (43234433443234).
The spelling of 30103203213131 in words is "thirty trillion, one hundred three billion, two hundred three million, two hundred thirteen thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •