Base | Representation |
---|---|
bin | 10010101000000010… |
… | …00000011001000000 |
3 | 221210212210102222001 |
4 | 21110001000121000 |
5 | 130434332000410 |
6 | 4332123353344 |
7 | 502540133656 |
oct | 112401003100 |
9 | 27725712861 |
10 | 9999484480 |
11 | 42714a2767 |
12 | 1b30982854 |
13 | c3486992b |
14 | 6ac06add6 |
15 | 3d7d0a33a |
hex | 254040640 |
9999484480 has 56 divisors (see below), whose sum is σ = 23827298040. Its totient is φ = 3997102080.
The previous prime is 9999484477. The next prime is 9999484489. The reversal of 9999484480 is 844849999.
It can be written as a sum of positive squares in 4 ways, for example, as 6714819136 + 3284665344 = 81944^2 + 57312^2 .
It is a Harshad number since it is a multiple of its sum of digits (64).
It is not an unprimeable number, because it can be changed into a prime (9999484489) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505170 + ... + 524590.
It is an arithmetic number, because the mean of its divisors is an integer number (425487465).
Almost surely, 29999484480 is an apocalyptic number.
It is an amenable number.
9999484480 is an abundant number, since it is smaller than the sum of its proper divisors (13827813560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9999484480 is a wasteful number, since it uses less digits than its factorization.
9999484480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21047 (or 21037 counting only the distinct ones).
The product of its (nonzero) digits is 26873856, while the sum is 64.
The square root of 9999484480 is about 99997.4223667790. The cubic root of 9999484480 is about 2154.3976675900.
The spelling of 9999484480 in words is "nine billion, nine hundred ninety-nine million, four hundred eighty-four thousand, four hundred eighty".
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