Base | Representation |
---|---|
bin | 111110101010000… |
… | …0010111111001011 |
3 | 12102112001100101012 |
4 | 1331110002333023 |
5 | 13301204011430 |
6 | 544341514135 |
7 | 103046110544 |
oct | 17524027713 |
9 | 5375040335 |
10 | 2102407115 |
11 | 989832646 |
12 | 4a811294b |
13 | 2767516a3 |
14 | 15d3154cb |
15 | c4890695 |
hex | 7d502fcb |
2102407115 has 8 divisors (see below), whose sum is σ = 2632579488. Its totient is φ = 1608798400.
The previous prime is 2102407103. The next prime is 2102407123. The reversal of 2102407115 is 5117042012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2102407115 - 212 = 2102403019 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9140786 + ... + 9141015.
It is an arithmetic number, because the mean of its divisors is an integer number (329072436).
Almost surely, 22102407115 is an apocalyptic number.
2102407115 is a deficient number, since it is larger than the sum of its proper divisors (530172373).
2102407115 is a wasteful number, since it uses less digits than its factorization.
2102407115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18281829.
The product of its (nonzero) digits is 560, while the sum is 23.
The square root of 2102407115 is about 45852.0132055289. The cubic root of 2102407115 is about 1281.0682640825.
Adding to 2102407115 its reverse (5117042012), we get a palindrome (7219449127).
The spelling of 2102407115 in words is "two billion, one hundred two million, four hundred seven thousand, one hundred fifteen".
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