Base | Representation |
---|---|
bin | 110010001011… |
… | …101010111101 |
3 | 220202100021102 |
4 | 302023222331 |
5 | 11331430010 |
6 | 1145542445 |
7 | 216546533 |
oct | 62135275 |
9 | 26670242 |
10 | 13155005 |
11 | 7475606 |
12 | 44a4a25 |
13 | 2957936 |
14 | 1a66153 |
15 | 124cba5 |
hex | c8babd |
13155005 has 8 divisors (see below), whose sum is σ = 16295424. Its totient is φ = 10184400.
The previous prime is 13154963. The next prime is 13155013. The reversal of 13155005 is 50055131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13155005 - 212 = 13150909 is a prime.
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, 42281 + ... + 42590.
It is an arithmetic number, because the mean of its divisors is an integer number (2036928).
Almost surely, 213155005 is an apocalyptic number.
It is an amenable number.
13155005 is a deficient number, since it is larger than the sum of its proper divisors (3140419).
13155005 is an equidigital number, since it uses as much as digits as its factorization.
13155005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84907.
The product of its (nonzero) digits is 375, while the sum is 20.
The square root of 13155005 is about 3626.9829059426. The cubic root of 13155005 is about 236.0643138421.
The spelling of 13155005 in words is "thirteen million, one hundred fifty-five thousand, five".
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