Base | Representation |
---|---|
bin | 1111111001000100… |
… | …11111110101110010 |
3 | 211000121012212001201 |
4 | 13330202133311302 |
5 | 114433124302132 |
6 | 3530335321414 |
7 | 421266455524 |
oct | 77442376562 |
9 | 24017185051 |
10 | 8531869042 |
11 | 3689021544 |
12 | 17a138026a |
13 | a5c7a5b28 |
14 | 5ad197a14 |
15 | 34e05b2e7 |
hex | 1fc89fd72 |
8531869042 has 8 divisors (see below), whose sum is σ = 13210636032. Its totient is φ = 4128323700.
The previous prime is 8531868979. The next prime is 8531869081. The reversal of 8531869042 is 2409681358.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 8531868983 and 8531869001.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68805334 + ... + 68805457.
It is an arithmetic number, because the mean of its divisors is an integer number (1651329504).
Almost surely, 28531869042 is an apocalyptic number.
8531869042 is a deficient number, since it is larger than the sum of its proper divisors (4678766990).
8531869042 is a wasteful number, since it uses less digits than its factorization.
8531869042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137610824.
The product of its (nonzero) digits is 414720, while the sum is 46.
The square root of 8531869042 is about 92368.1170209721. The cubic root of 8531869042 is about 2043.3749275860.
The spelling of 8531869042 in words is "eight billion, five hundred thirty-one million, eight hundred sixty-nine thousand, forty-two".
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