Base | Representation |
---|---|
bin | 11000011100011100… |
… | …11000110010010111 |
3 | 1020212121021122022102 |
4 | 30032032120302113 |
5 | 203334112220310 |
6 | 10010123152315 |
7 | 643133241464 |
oct | 141616306227 |
9 | 36777248272 |
10 | 13123554455 |
11 | 56249a4780 |
12 | 266307569b |
13 | 1311b7174b |
14 | 8c6d2c66b |
15 | 51c20a8a5 |
hex | 30e398c97 |
13123554455 has 32 divisors (see below), whose sum is σ = 17638207488. Its totient is φ = 9292566400.
The previous prime is 13123554427. The next prime is 13123554473. The reversal of 13123554455 is 55445532131.
13123554455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13123554455 - 212 = 13123550359 is a prime.
It is a super-3 number, since 3×131235544553 (a number of 31 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364682 + ... + 399048.
It is an arithmetic number, because the mean of its divisors is an integer number (551193984).
Almost surely, 213123554455 is an apocalyptic number.
13123554455 is a deficient number, since it is larger than the sum of its proper divisors (4514653033).
13123554455 is a wasteful number, since it uses less digits than its factorization.
13123554455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34567.
The product of its digits is 180000, while the sum is 38.
The spelling of 13123554455 in words is "thirteen billion, one hundred twenty-three million, five hundred fifty-four thousand, four hundred fifty-five".
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