Base | Representation |
---|---|
bin | 110001110000… |
… | …001111011111 |
3 | 220112122011022 |
4 | 301300033133 |
5 | 11314331110 |
6 | 1143314355 |
7 | 215601143 |
oct | 61601737 |
9 | 26478138 |
10 | 13042655 |
11 | 73a915a |
12 | 444b9bb |
13 | 2918762 |
14 | 1a37223 |
15 | 1229755 |
hex | c703df |
13042655 has 8 divisors (see below), whose sum is σ = 16571952. Its totient is φ = 9820288.
The previous prime is 13042649. The next prime is 13042669. The reversal of 13042655 is 55624031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13042655 - 24 = 13042639 is a prime.
It is a super-2 number, since 2×130426552 = 340221698898050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76637 + ... + 76806.
It is an arithmetic number, because the mean of its divisors is an integer number (2071494).
Almost surely, 213042655 is an apocalyptic number.
13042655 is a deficient number, since it is larger than the sum of its proper divisors (3529297).
13042655 is a wasteful number, since it uses less digits than its factorization.
13042655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153465.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 13042655 is about 3611.4616154682. The cubic root of 13042655 is about 235.3903577077.
Adding to 13042655 its reverse (55624031), we get a palindrome (68666686).
The spelling of 13042655 in words is "thirteen million, forty-two thousand, six hundred fifty-five".
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