Base | Representation |
---|---|
bin | 111101000101… |
… | …011001001000 |
3 | 1010010112112100 |
4 | 331011121020 |
5 | 13044402442 |
6 | 1331113400 |
7 | 253051521 |
oct | 75053110 |
9 | 33115470 |
10 | 16012872 |
11 | 9047787 |
12 | 5442860 |
13 | 3418695 |
14 | 21ab848 |
15 | 161484c |
hex | f45648 |
16012872 has 48 divisors (see below), whose sum is σ = 44869500. Its totient is φ = 5152896.
The previous prime is 16012859. The next prime is 16012873. The reversal of 16012872 is 27821061.
It can be written as a sum of positive squares in 2 ways, for example, as 14699556 + 1313316 = 3834^2 + 1146^2 .
It is not an unprimeable number, because it can be changed into a prime (16012873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1747 + ... + 5922.
Almost surely, 216012872 is an apocalyptic number.
16012872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
16012872 is an abundant number, since it is smaller than the sum of its proper divisors (28856628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16012872 is a wasteful number, since it uses less digits than its factorization.
16012872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7710 (or 7703 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 16012872 is about 4001.6086765200. The cubic root of 16012872 is about 252.0517656317.
The spelling of 16012872 in words is "sixteen million, twelve thousand, eight hundred seventy-two".
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