Base | Representation |
---|---|
bin | 111110101011010… |
… | …1110101010111011 |
3 | 12102120101002000020 |
4 | 1331112232222323 |
5 | 13301344012311 |
6 | 544404541523 |
7 | 103055100000 |
oct | 17526565273 |
9 | 5376332006 |
10 | 2103110331 |
11 | 98a172a13 |
12 | 4a83b18a3 |
13 | 2769397aa |
14 | 15d4598a7 |
15 | c497dc06 |
hex | 7d5aeabb |
2103110331 has 48 divisors (see below), whose sum is σ = 3337438464. Its totient is φ = 1177604064.
The previous prime is 2103110329. The next prime is 2103110353. The reversal of 2103110331 is 1330113012.
It is not a de Polignac number, because 2103110331 - 21 = 2103110329 is a prime.
It is a super-2 number, since 2×21031103312 = 8846146128717859122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2103110331.
It is not an unprimeable number, because it can be changed into a prime (2103110371) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2671920 + ... + 2672706.
It is an arithmetic number, because the mean of its divisors is an integer number (69529968).
Almost surely, 22103110331 is an apocalyptic number.
2103110331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2103110331 is a deficient number, since it is larger than the sum of its proper divisors (1234328133).
2103110331 is an frugal number, since it uses more digits than its factorization.
2103110331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 878 (or 850 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 2103110331 is about 45859.6808863734. The cubic root of 2103110331 is about 1281.2110793142.
Adding to 2103110331 its reverse (1330113012), we get a palindrome (3433223343).
The spelling of 2103110331 in words is "two billion, one hundred three million, one hundred ten thousand, three hundred thirty-one".
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