Base | Representation |
---|---|
bin | 100111001010100111… |
… | …010101100010011000 |
3 | 11000112211001022112212 |
4 | 213022213111202120 |
5 | 1142111311441003 |
6 | 31152551254252 |
7 | 3016065142046 |
oct | 471247254230 |
9 | 130484038485 |
10 | 42054015128 |
11 | 16920439004 |
12 | 819797a388 |
13 | 3c7278c728 |
14 | 206d2c7396 |
15 | 1161eb8dd8 |
hex | 9ca9d5898 |
42054015128 has 16 divisors (see below), whose sum is σ = 79291791000. Its totient is φ = 20909537536.
The previous prime is 42054015121. The next prime is 42054015139. The reversal of 42054015128 is 82151045024.
It is a junction number, because it is equal to n+sod(n) for n = 42054015094 and 42054015103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42054015121) 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 3 ways as a sum of consecutive naturals, for example, 14682233 + ... + 14685096.
Almost surely, 242054015128 is an apocalyptic number.
It is an amenable number.
42054015128 is a deficient number, since it is larger than the sum of its proper divisors (37237775872).
42054015128 is a wasteful number, since it uses less digits than its factorization.
42054015128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29367514 (or 29367510 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 32.
The spelling of 42054015128 in words is "forty-two billion, fifty-four million, fifteen thousand, one hundred twenty-eight".
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