Base | Representation |
---|---|
bin | 11001000011111111… |
… | …11100010101111111 |
3 | 1021201201112200110100 |
4 | 30201333330111333 |
5 | 210024024443010 |
6 | 10103054012143 |
7 | 654302160420 |
oct | 144177742577 |
9 | 37651480410 |
10 | 13455312255 |
11 | 578519a280 |
12 | 27361a7053 |
13 | 136580b638 |
14 | 91900b647 |
15 | 53b3de2c0 |
hex | 321ffc57f |
13455312255 has 48 divisors (see below), whose sum is σ = 29077461504. Its totient is φ = 5591816640.
The previous prime is 13455312253. The next prime is 13455312257. The reversal of 13455312255 is 55221355431.
13455312255 is a `hidden beast` number, since 1 + 34 + 553 + 1 + 22 + 55 = 666.
It is an interprime number because it is at equal distance from previous prime (13455312253) and next prime (13455312257).
It is not a de Polignac number, because 13455312255 - 21 = 13455312253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13455312253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1938139 + ... + 1945068.
It is an arithmetic number, because the mean of its divisors is an integer number (605780448).
Almost surely, 213455312255 is an apocalyptic number.
13455312255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13455312255 is an abundant number, since it is smaller than the sum of its proper divisors (15622149249).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13455312255 is a wasteful number, since it uses less digits than its factorization.
13455312255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3883236 (or 3883233 counting only the distinct ones).
The product of its digits is 90000, while the sum is 36.
Adding to 13455312255 its reverse (55221355431), we get a palindrome (68676667686).
The spelling of 13455312255 in words is "thirteen billion, four hundred fifty-five million, three hundred twelve thousand, two hundred fifty-five".
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