Base | Representation |
---|---|
bin | 10010100100000110… |
… | …11000110010110010 |
3 | 221201120211102020101 |
4 | 21102003120302302 |
5 | 130402414214130 |
6 | 4324545503014 |
7 | 501660212410 |
oct | 112203306262 |
9 | 27646742211 |
10 | 9966554290 |
11 | 4254950830 |
12 | 1b21941a6a |
13 | c2aaaa004 |
14 | 6a79382b0 |
15 | 3d4ea31ca |
hex | 2520d8cb2 |
9966554290 has 64 divisors (see below), whose sum is σ = 22912098048. Its totient is φ = 3030681600.
The previous prime is 9966554287. The next prime is 9966554303. The reversal of 9966554290 is 924556699.
It is a Harshad number since it is a multiple of its sum of digits (55).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126279 + ... + 189418.
It is an arithmetic number, because the mean of its divisors is an integer number (358001532).
Almost surely, 29966554290 is an apocalyptic number.
9966554290 is the 63140-th heptagonal number.
9966554290 is an abundant number, since it is smaller than the sum of its proper divisors (12945543758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9966554290 is a wasteful number, since it uses less digits than its factorization.
9966554290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315763.
The product of its (nonzero) digits is 5248800, while the sum is 55.
The square root of 9966554290 is about 99832.6313887398. The cubic root of 9966554290 is about 2152.0301206899.
The spelling of 9966554290 in words is "nine billion, nine hundred sixty-six million, five hundred fifty-four thousand, two hundred ninety".
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