Base | Representation |
---|---|
bin | 111110101001111… |
… | …0011111001100011 |
3 | 12102111221012121022 |
4 | 1331103303321203 |
5 | 13301200022230 |
6 | 544340320055 |
7 | 103045432430 |
oct | 17523637143 |
9 | 5374835538 |
10 | 2102345315 |
11 | 9897a0174 |
12 | 4a80a302b |
13 | 27672c515 |
14 | 15d2dab87 |
15 | c487c1e5 |
hex | 7d4f3e63 |
2102345315 has 16 divisors (see below), whose sum is σ = 2953540800. Its totient is φ = 1406446080.
The previous prime is 2102345303. The next prime is 2102345317. The reversal of 2102345315 is 5135432012.
It is a happy number.
It is not a de Polignac number, because 2102345315 - 226 = 2035236451 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2102345317) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731090 + ... + 733959.
It is an arithmetic number, because the mean of its divisors is an integer number (184596300).
Almost surely, 22102345315 is an apocalyptic number.
2102345315 is a deficient number, since it is larger than the sum of its proper divisors (851195485).
2102345315 is a wasteful number, since it uses less digits than its factorization.
2102345315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1465102.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 2102345315 is about 45851.3392934165. The cubic root of 2102345315 is about 1281.0557116779.
Adding to 2102345315 its reverse (5135432012), we get a palindrome (7237777327).
The spelling of 2102345315 in words is "two billion, one hundred two million, three hundred forty-five thousand, three hundred fifteen".
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