Base | Representation |
---|---|
bin | 111110101011001… |
… | …1001011000011011 |
3 | 12102120012122101121 |
4 | 1331112121120123 |
5 | 13301333220011 |
6 | 544403030111 |
7 | 103054254526 |
oct | 17526313033 |
9 | 5376178347 |
10 | 2103023131 |
11 | 98a113450 |
12 | 4a836b337 |
13 | 276908bb1 |
14 | 15d435bbd |
15 | c4962e71 |
hex | 7d59961b |
2103023131 has 64 divisors (see below), whose sum is σ = 2647572480. Its totient is φ = 1646991360.
The previous prime is 2103023123. The next prime is 2103023141. The reversal of 2103023131 is 1313203012.
It is not a de Polignac number, because 2103023131 - 23 = 2103023123 is a prime.
It is a super-2 number, since 2×21030231312 = 8845412579042086322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2103023141) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9430486 + ... + 9430708.
It is an arithmetic number, because the mean of its divisors is an integer number (41368320).
Almost surely, 22103023131 is an apocalyptic number.
2103023131 is a deficient number, since it is larger than the sum of its proper divisors (544549349).
2103023131 is a wasteful number, since it uses less digits than its factorization.
2103023131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 364.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 2103023131 is about 45858.7301503214. The cubic root of 2103023131 is about 1281.1933717078.
Adding to 2103023131 its reverse (1313203012), we get a palindrome (3416226143).
The spelling of 2103023131 in words is "two billion, one hundred three million, twenty-three thousand, one hundred thirty-one".
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