Base | Representation |
---|---|
bin | 110010001010… |
… | …001101111111 |
3 | 220202001010001 |
4 | 302022031333 |
5 | 11331232210 |
6 | 1145455131 |
7 | 216523303 |
oct | 62121577 |
9 | 26661101 |
10 | 13149055 |
11 | 7471097 |
12 | 44a14a7 |
13 | 295500a |
14 | 1a63d03 |
15 | 124b03a |
hex | c8a37f |
13149055 has 4 divisors (see below), whose sum is σ = 15778872. Its totient is φ = 10519240.
The previous prime is 13149043. The next prime is 13149067. The reversal of 13149055 is 55094131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55094131 = 23 ⋅2395397.
It is an interprime number because it is at equal distance from previous prime (13149043) and next prime (13149067).
It is not a de Polignac number, because 13149055 - 29 = 13148543 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 3 ways as a sum of consecutive naturals, for example, 1314901 + ... + 1314910.
It is an arithmetic number, because the mean of its divisors is an integer number (3944718).
Almost surely, 213149055 is an apocalyptic number.
13149055 is a deficient number, since it is larger than the sum of its proper divisors (2629817).
13149055 is an equidigital number, since it uses as much as digits as its factorization.
13149055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2629816.
The product of its (nonzero) digits is 2700, while the sum is 28.
The square root of 13149055 is about 3626.1625721967. The cubic root of 13149055 is about 236.0287178976.
The spelling of 13149055 in words is "thirteen million, one hundred forty-nine thousand, fifty-five".
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