Base | Representation |
---|---|
bin | 101111111000… |
… | …010001010111 |
3 | 212121200002022 |
4 | 233320101113 |
5 | 11203120010 |
6 | 1125003355 |
7 | 211453403 |
oct | 57702127 |
9 | 25550068 |
10 | 12551255 |
11 | 70a2a42 |
12 | 425355b |
13 | 27a5ba2 |
14 | 194a103 |
15 | 117dd55 |
hex | bf8457 |
12551255 has 16 divisors (see below), whose sum is σ = 15440544. Its totient is φ = 9792000.
The previous prime is 12551243. The next prime is 12551257. The reversal of 12551255 is 55215521.
It is not a de Polignac number, because 12551255 - 24 = 12551239 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12551257) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49880 + ... + 50130.
It is an arithmetic number, because the mean of its divisors is an integer number (965034).
Almost surely, 212551255 is an apocalyptic number.
12551255 is a deficient number, since it is larger than the sum of its proper divisors (2889289).
12551255 is a wasteful number, since it uses less digits than its factorization.
12551255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466.
The product of its digits is 2500, while the sum is 26.
The square root of 12551255 is about 3542.7750422515. The cubic root of 12551255 is about 232.3962152891.
Adding to 12551255 its reverse (55215521), we get a palindrome (67766776).
The spelling of 12551255 in words is "twelve million, five hundred fifty-one thousand, two hundred fifty-five".
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