Base | Representation |
---|---|
bin | 11110100110100101010… |
… | …110010111100110100111 |
3 | 21110001020121012011011002 |
4 | 132212211112113212213 |
5 | 233423432324042411 |
6 | 4250035541303515 |
7 | 304636424340233 |
oct | 36464526274647 |
9 | 7401217164132 |
10 | 2103013112231 |
11 | 740979092789 |
12 | 29b6b2a04b9b |
13 | 12340c399655 |
14 | 73b01b6b5c3 |
15 | 39a869eb33b |
hex | 1e9a55979a7 |
2103013112231 has 4 divisors (see below), whose sum is σ = 2103248068464. Its totient is φ = 2102778156000.
The previous prime is 2103013112227. The next prime is 2103013112267. The reversal of 2103013112231 is 1322113103012.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2103013112231 - 22 = 2103013112227 is a prime.
It is a super-2 number, since 2×21030131122312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2103013112281) 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, 117464690 + ... + 117482591.
It is an arithmetic number, because the mean of its divisors is an integer number (525812017116).
Almost surely, 22103013112231 is an apocalyptic number.
2103013112231 is a deficient number, since it is larger than the sum of its proper divisors (234956233).
2103013112231 is an equidigital number, since it uses as much as digits as its factorization.
2103013112231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234956232.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 2103013112231 its reverse (1322113103012), we get a palindrome (3425126215243).
The spelling of 2103013112231 in words is "two trillion, one hundred three billion, thirteen million, one hundred twelve thousand, two hundred thirty-one".
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