Base | Representation |
---|---|
bin | 10011001000011011… |
… | …11100100101010111 |
3 | 222111211021201111221 |
4 | 21210031330211113 |
5 | 132013423442330 |
6 | 4415113511211 |
7 | 512350466443 |
oct | 114415744527 |
9 | 28454251457 |
10 | 10271312215 |
11 | 43a098498a |
12 | 1ba7a12507 |
13 | c78c82648 |
14 | 6d61c9823 |
15 | 401b01b7a |
hex | 26437c957 |
10271312215 has 4 divisors (see below), whose sum is σ = 12325574664. Its totient is φ = 8217049768.
The previous prime is 10271312209. The next prime is 10271312237. The reversal of 10271312215 is 51221317201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51221317201 = 1567 ⋅32687503.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10271312215 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10271312215.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027131217 + ... + 1027131226.
It is an arithmetic number, because the mean of its divisors is an integer number (3081393666).
Almost surely, 210271312215 is an apocalyptic number.
10271312215 is a deficient number, since it is larger than the sum of its proper divisors (2054262449).
10271312215 is an equidigital number, since it uses as much as digits as its factorization.
10271312215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2054262448.
The product of its (nonzero) digits is 840, while the sum is 25.
Adding to 10271312215 its reverse (51221317201), we get a palindrome (61492629416).
The spelling of 10271312215 in words is "ten billion, two hundred seventy-one million, three hundred twelve thousand, two hundred fifteen".
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