Base | Representation |
---|---|
bin | 11001110101001101… |
… | …00001011101010111 |
3 | 1022210111020101220011 |
4 | 30322212201131113 |
5 | 211400212011220 |
6 | 10212041021051 |
7 | 1000443504004 |
oct | 147246413527 |
9 | 38714211804 |
10 | 13868078935 |
11 | 5977194a67 |
12 | 2830484787 |
13 | 140019cb89 |
14 | 957b768ab |
15 | 56277565a |
hex | 33a9a1757 |
13868078935 has 16 divisors (see below), whose sum is σ = 17182736640. Its totient is φ = 10733944320.
The previous prime is 13868078869. The next prime is 13868078947. The reversal of 13868078935 is 53987086831.
It is not a de Polignac number, because 13868078935 - 231 = 11720595287 is a prime.
It is a super-2 number, since 2×138680789352 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13868078935.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830751 + ... + 847279.
It is an arithmetic number, because the mean of its divisors is an integer number (1073921040).
Almost surely, 213868078935 is an apocalyptic number.
13868078935 is a deficient number, since it is larger than the sum of its proper divisors (3314657705).
13868078935 is a wasteful number, since it uses less digits than its factorization.
13868078935 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21978.
The product of its (nonzero) digits is 8709120, while the sum is 58.
The spelling of 13868078935 in words is "thirteen billion, eight hundred sixty-eight million, seventy-eight thousand, nine hundred thirty-five".
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