Base | Representation |
---|---|
bin | 101100000011010011… |
… | …100000100011100110 |
3 | 11112002102110022212200 |
4 | 230003103200203212 |
5 | 1233332310222430 |
6 | 33421312555330 |
7 | 3263066045223 |
oct | 540323404346 |
9 | 145072408780 |
10 | 47300085990 |
11 | 19072735763 |
12 | 9200852b46 |
13 | 45ca5b6481 |
14 | 2409d2094a |
15 | 136c82a460 |
hex | b034e08e6 |
47300085990 has 48 divisors (see below), whose sum is σ = 129452871600. Its totient is φ = 11949494976.
The previous prime is 47300085961. The next prime is 47300085991. The reversal of 47300085990 is 9958000374.
It is a super-2 number, since 2×473000859902 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47300085991) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13828725 + ... + 13832144.
It is an arithmetic number, because the mean of its divisors is an integer number (2696934825).
Almost surely, 247300085990 is an apocalyptic number.
47300085990 is an abundant number, since it is smaller than the sum of its proper divisors (82152785610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47300085990 is a wasteful number, since it uses less digits than its factorization.
47300085990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27660901 (or 27660898 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The spelling of 47300085990 in words is "forty-seven billion, three hundred million, eighty-five thousand, nine hundred ninety".
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