Base | Representation |
---|---|
bin | 11000100110011000… |
… | …10010000110010111 |
3 | 1021002102002110121200 |
4 | 30103030102012113 |
5 | 204021430420410 |
6 | 10022301243543 |
7 | 645164463066 |
oct | 142314220627 |
9 | 37072073550 |
10 | 13206888855 |
11 | 5667a43086 |
12 | 2686b635b3 |
13 | 13261cb744 |
14 | 8d40221dd |
15 | 5246bc3c0 |
hex | 313312197 |
13206888855 has 48 divisors (see below), whose sum is σ = 24277125600. Its totient is φ = 6618783744.
The previous prime is 13206888839. The next prime is 13206888883. The reversal of 13206888855 is 55888860231.
It is a happy number.
It is not a de Polignac number, because 13206888855 - 24 = 13206888839 is a prime.
It is a super-2 number, since 2×132068888552 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 478471 + ... + 505319.
It is an arithmetic number, because the mean of its divisors is an integer number (505773450).
Almost surely, 213206888855 is an apocalyptic number.
13206888855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13206888855 is a deficient number, since it is larger than the sum of its proper divisors (11070236745).
13206888855 is a wasteful number, since it uses less digits than its factorization.
13206888855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27520 (or 27517 counting only the distinct ones).
The product of its (nonzero) digits is 3686400, while the sum is 54.
The spelling of 13206888855 in words is "thirteen billion, two hundred six million, eight hundred eighty-eight thousand, eight hundred fifty-five".
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