Base | Representation |
---|---|
bin | 1111001011010000… |
… | …01011110110001000 |
3 | 210000210221001222011 |
4 | 13211220023312020 |
5 | 113141223442130 |
6 | 3424244505304 |
7 | 405621320533 |
oct | 74550136610 |
9 | 23023831864 |
10 | 8147484040 |
11 | 3501051393 |
12 | 16b46ab234 |
13 | 9cac70a97 |
14 | 5740d9a1a |
15 | 32a42e52a |
hex | 1e5a0bd88 |
8147484040 has 48 divisors (see below), whose sum is σ = 18513564300. Its totient is φ = 3226732416.
The previous prime is 8147484019. The next prime is 8147484053. The reversal of 8147484040 is 404847418.
It can be written as a sum of positive squares in 2 ways, for example, as 8140009284 + 7474756 = 90222^2 + 2734^2 .
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 8147483984 and 8147484002.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5959437 + ... + 5960803.
Almost surely, 28147484040 is an apocalyptic number.
It is an amenable number.
8147484040 is an abundant number, since it is smaller than the sum of its proper divisors (10366080260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8147484040 is a wasteful number, since it uses less digits than its factorization.
8147484040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2854 (or 1483 counting only the distinct ones).
The product of its (nonzero) digits is 114688, while the sum is 40.
The square root of 8147484040 is about 90263.4147370905. The cubic root of 8147484040 is about 2012.2155746339.
The spelling of 8147484040 in words is "eight billion, one hundred forty-seven million, four hundred eighty-four thousand, forty".
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