Base | Representation |
---|---|
bin | 11101110011011110… |
… | …01000100000110001 |
3 | 1112022010210011211000 |
4 | 32321233020200301 |
5 | 230232231324411 |
6 | 11203433512213 |
7 | 1104343421424 |
oct | 167157104061 |
9 | 45263704730 |
10 | 16001042481 |
11 | 6871198056 |
12 | 3126872669 |
13 | 168005c898 |
14 | abb1639bb |
15 | 639b4e956 |
hex | 3b9bc8831 |
16001042481 has 96 divisors (see below), whose sum is σ = 26073681920. Its totient is φ = 9690202368.
The previous prime is 16001042479. The next prime is 16001042507. The reversal of 16001042481 is 18424010061.
It is a happy number.
16001042481 is a `hidden beast` number, since 1 + 600 + 10 + 4 + 2 + 48 + 1 = 666.
16001042481 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 16001042481 - 21 = 16001042479 is a prime.
It is a super-2 number, since 2×160010424812 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16001042411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34559256 + ... + 34559718.
Almost surely, 216001042481 is an apocalyptic number.
It is an amenable number.
16001042481 is a deficient number, since it is larger than the sum of its proper divisors (10072639439).
16001042481 is a wasteful number, since it uses less digits than its factorization.
16001042481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 652 (or 629 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The spelling of 16001042481 in words is "sixteen billion, one million, forty-two thousand, four hundred eighty-one".
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