Base | Representation |
---|---|
bin | 1111110000001110… |
… | …00001110000000101 |
3 | 210211102101111220121 |
4 | 13320013001300011 |
5 | 114310113342140 |
6 | 3515122501541 |
7 | 416405031355 |
oct | 77007016005 |
9 | 23742344817 |
10 | 8457559045 |
11 | 3650087321 |
12 | 17805048b1 |
13 | a4a288610 |
14 | 5a3372b65 |
15 | 34777d64a |
hex | 1f81c1c05 |
8457559045 has 16 divisors (see below), whose sum is σ = 10932390000. Its totient is φ = 6244084224.
The previous prime is 8457559027. The next prime is 8457559051. The reversal of 8457559045 is 5409557548.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 40780996 + 8416778049 = 6386^2 + 91743^2 .
It is a cyclic number.
It is not a de Polignac number, because 8457559045 - 27 = 8457558917 is a prime.
It is a super-2 number, since 2×84575590452 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 8457558983 and 8457559001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309081 + ... + 335329.
It is an arithmetic number, because the mean of its divisors is an integer number (683274375).
Almost surely, 28457559045 is an apocalyptic number.
It is an amenable number.
8457559045 is a deficient number, since it is larger than the sum of its proper divisors (2474830955).
8457559045 is a wasteful number, since it uses less digits than its factorization.
8457559045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31224.
The product of its (nonzero) digits is 5040000, while the sum is 52.
The square root of 8457559045 is about 91964.9881476641. The cubic root of 8457559045 is about 2037.4252282646.
The spelling of 8457559045 in words is "eight billion, four hundred fifty-seven million, five hundred fifty-nine thousand, forty-five".
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