Base | Representation |
---|---|
bin | 11101000110001010001… |
… | …01000010100110101100 |
3 | 10112120111112000102000022 |
4 | 32203011011002212230 |
5 | 112334431121024422 |
6 | 2043135041021312 |
7 | 132141313655663 |
oct | 16430505024654 |
9 | 3476445012008 |
10 | 999738845612 |
11 | 355a94573821 |
12 | 14190a624838 |
13 | 7337614c010 |
14 | 3655d8a5dda |
15 | 1b01387c342 |
hex | e8c51429ac |
999738845612 has 48 divisors (see below), whose sum is σ = 1903379863392. Its totient is φ = 456704908800.
The previous prime is 999738845587. The next prime is 999738845617. The reversal of 999738845612 is 216548837999.
It is a super-2 number, since 2×9997388456122 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (999738845617) 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 15 ways as a sum of consecutive naturals, for example, 17550008 + ... + 17606880.
It is an arithmetic number, because the mean of its divisors is an integer number (39653747154).
Almost surely, 2999738845612 is an apocalyptic number.
It is an amenable number.
999738845612 is a deficient number, since it is larger than the sum of its proper divisors (903641017780).
999738845612 is a wasteful number, since it uses less digits than its factorization.
With its successor (999738845613) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (60336).
With its successor (999738845613) it forms an eRAP, since the sums of their prime factors are consecutive (60338 and 60339).
999738845612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60338 (or 60336 counting only the distinct ones).
The product of its digits is 235146240, while the sum is 71.
The spelling of 999738845612 in words is "nine hundred ninety-nine billion, seven hundred thirty-eight million, eight hundred forty-five thousand, six hundred twelve".
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