Base | Representation |
---|---|
bin | 1111110100001011… |
… | …10110111100000010 |
3 | 210220201221200120220 |
4 | 13322011312330002 |
5 | 114342121311132 |
6 | 3522311243510 |
7 | 420260445324 |
oct | 77205667402 |
9 | 23821850526 |
10 | 8490807042 |
11 | 3667926003 |
12 | 178b679596 |
13 | a54129aa3 |
14 | 5a7949614 |
15 | 34a649a2c |
hex | 1fa176f02 |
8490807042 has 8 divisors (see below), whose sum is σ = 16981614096. Its totient is φ = 2830269012.
The previous prime is 8490807037. The next prime is 8490807053. The reversal of 8490807042 is 2407080948.
It is a sphenic number, since it is the product of 3 distinct primes.
8490807042 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 8490806985 and 8490807003.
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, 707567248 + ... + 707567259.
It is an arithmetic number, because the mean of its divisors is an integer number (2122701762).
Almost surely, 28490807042 is an apocalyptic number.
8490807042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8490807042 is a wasteful number, since it uses less digits than its factorization.
8490807042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1415134512.
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 8490807042 is about 92145.5752708723. The cubic root of 8490807042 is about 2040.0915505819.
The spelling of 8490807042 in words is "eight billion, four hundred ninety million, eight hundred seven thousand, forty-two".
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