Base | Representation |
---|---|
bin | 10000110001101101… |
… | …00000010101010110 |
3 | 212020201000201002122 |
4 | 20120312200111112 |
5 | 121421230012430 |
6 | 4045424335542 |
7 | 436125116450 |
oct | 103066402526 |
9 | 25221021078 |
10 | 9006875990 |
11 | 3902168272 |
12 | 18b44745b2 |
13 | b07019c28 |
14 | 6162c52d0 |
15 | 37aad8ee5 |
hex | 218da0556 |
9006875990 has 32 divisors (see below), whose sum is σ = 18711895104. Its totient is φ = 3057494400.
The previous prime is 9006875987. The next prime is 9006876089. The reversal of 9006875990 is 995786009.
It is a super-2 number, since 2×90068759902 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
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, 629909 + ... + 644048.
It is an arithmetic number, because the mean of its divisors is an integer number (584746722).
Almost surely, 29006875990 is an apocalyptic number.
9006875990 is an abundant number, since it is smaller than the sum of its proper divisors (9705019114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9006875990 is a wasteful number, since it uses less digits than its factorization.
9006875990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1274072.
The product of its (nonzero) digits is 1224720, while the sum is 53.
The square root of 9006875990 is about 94904.5625352122. The cubic root of 9006875990 is about 2080.6134154487.
The spelling of 9006875990 in words is "nine billion, six million, eight hundred seventy-five thousand, nine hundred ninety".
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