Base | Representation |
---|---|
bin | 10011010110101011… |
… | …11111111110111111 |
3 | 222211011020120110200 |
4 | 21223111333332333 |
5 | 132240030120212 |
6 | 4435024134543 |
7 | 515331612402 |
oct | 115325777677 |
9 | 28734216420 |
10 | 10390863807 |
11 | 445240a855 |
12 | 201ba67453 |
13 | c9798042c |
14 | 708029d39 |
15 | 40c3696dc |
hex | 26b57ffbf |
10390863807 has 12 divisors (see below), whose sum is σ = 15060254664. Its totient is φ = 6903598320.
The previous prime is 10390863781. The next prime is 10390863827. The reversal of 10390863807 is 70836809301.
It is a happy number.
10390863807 is a `hidden beast` number, since 1 + 0 + 3 + 9 + 0 + 8 + 638 + 0 + 7 = 666.
10390863807 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10390863807 - 223 = 10382475199 is a prime.
It is a super-4 number, since 4×103908638074 (a number of 41 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10390863827) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1967569 + ... + 1972842.
It is an arithmetic number, because the mean of its divisors is an integer number (1255021222).
Almost surely, 210390863807 is an apocalyptic number.
10390863807 is a deficient number, since it is larger than the sum of its proper divisors (4669390857).
10390863807 is a wasteful number, since it uses less digits than its factorization.
10390863807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3940710 (or 3940707 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The spelling of 10390863807 in words is "ten billion, three hundred ninety million, eight hundred sixty-three thousand, eight hundred seven".
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