Base | Representation |
---|---|
bin | 11000101110111010… |
… | …00111111110011101 |
3 | 1021021101200020220000 |
4 | 30113131013332131 |
5 | 204143233201301 |
6 | 10033334244513 |
7 | 650023434321 |
oct | 142735077635 |
9 | 37241606800 |
10 | 13278412701 |
11 | 56a4354aa4 |
12 | 26a6ab6739 |
13 | 1337c81a48 |
14 | 8dd71d981 |
15 | 52aae9786 |
hex | 317747f9d |
13278412701 has 40 divisors (see below), whose sum is σ = 20089305720. Its totient is φ = 8739698688.
The previous prime is 13278412669. The next prime is 13278412709. The reversal of 13278412701 is 10721487231.
It can be written as a sum of positive squares in 4 ways, for example, as 100520676 + 13177892025 = 10026^2 + 114795^2 .
It is not a de Polignac number, because 13278412701 - 25 = 13278412669 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13278412709) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2459461 + ... + 2464853.
It is an arithmetic number, because the mean of its divisors is an integer number (502232643).
Almost surely, 213278412701 is an apocalyptic number.
It is an amenable number.
13278412701 is a deficient number, since it is larger than the sum of its proper divisors (6810893019).
13278412701 is a wasteful number, since it uses less digits than its factorization.
13278412701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5787 (or 5778 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 36.
Adding to 13278412701 its reverse (10721487231), we get a palindrome (23999899932).
The spelling of 13278412701 in words is "thirteen billion, two hundred seventy-eight million, four hundred twelve thousand, seven hundred one".
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