Base | Representation |
---|---|
bin | 111101000101… |
… | …011010010001 |
3 | 1010010112122001 |
4 | 331011122101 |
5 | 13044403240 |
6 | 1331114001 |
7 | 253051654 |
oct | 75053221 |
9 | 33115561 |
10 | 16012945 |
11 | 9047843 |
12 | 5442901 |
13 | 3418720 |
14 | 21ab89b |
15 | 161489a |
hex | f45691 |
16012945 has 16 divisors (see below), whose sum is σ = 21595392. Its totient is φ = 11309760.
The previous prime is 16012937. The next prime is 16012949. The reversal of 16012945 is 54921061.
16012945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 16012945 - 23 = 16012937 is a prime.
It is not an unprimeable number, because it can be changed into a prime (16012949) 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, 3861 + ... + 6850.
It is an arithmetic number, because the mean of its divisors is an integer number (1349712).
Almost surely, 216012945 is an apocalyptic number.
It is an amenable number.
16012945 is a deficient number, since it is larger than the sum of its proper divisors (5582447).
16012945 is a wasteful number, since it uses less digits than its factorization.
16012945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10752.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 16012945 is about 4001.6177978413. The cubic root of 16012945 is about 252.0521486517.
The spelling of 16012945 in words is "sixteen million, twelve thousand, nine hundred forty-five".
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