Base | Representation |
---|---|
bin | 11011111011111… |
… | …000010010111011 |
3 | 1012122220111201110 |
4 | 123323320102323 |
5 | 1424440310130 |
6 | 114301251403 |
7 | 14420505402 |
oct | 3373702273 |
9 | 1178814643 |
10 | 468681915 |
11 | 220616729 |
12 | 110b63b63 |
13 | 7613b1a0 |
14 | 46362639 |
15 | 2b22dab0 |
hex | 1bef84bb |
468681915 has 64 divisors (see below), whose sum is σ = 832809600. Its totient is φ = 223641600.
The previous prime is 468681881. The next prime is 468681919. The reversal of 468681915 is 519186864.
It is a de Polignac number, because none of the positive numbers 2k-468681915 is a prime.
It is not an unprimeable number, because it can be changed into a prime (468681919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1043611 + ... + 1044059.
It is an arithmetic number, because the mean of its divisors is an integer number (13012650).
Almost surely, 2468681915 is an apocalyptic number.
468681915 is a deficient number, since it is larger than the sum of its proper divisors (364127685).
468681915 is a wasteful number, since it uses less digits than its factorization.
468681915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 624.
The product of its digits is 414720, while the sum is 48.
The square root of 468681915 is about 21649.0626817883. The cubic root of 468681915 is about 776.7705147251.
The spelling of 468681915 in words is "four hundred sixty-eight million, six hundred eighty-one thousand, nine hundred fifteen".
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