Base | Representation |
---|---|
bin | 101100000110100001… |
… | …100110100000010101 |
3 | 11112020012010010122210 |
4 | 230012201212200111 |
5 | 1233440123041041 |
6 | 33430522544033 |
7 | 3264323211426 |
oct | 540641464025 |
9 | 145205103583 |
10 | 47354112021 |
11 | 190a0186277 |
12 | 9216968019 |
13 | 4608851238 |
14 | 241318564d |
15 | 137244d016 |
hex | b06866815 |
47354112021 has 16 divisors (see below), whose sum is σ = 63646156224. Its totient is φ = 31316744064.
The previous prime is 47354112011. The next prime is 47354112037. The reversal of 47354112021 is 12021145374.
It is not a de Polignac number, because 47354112021 - 25 = 47354111989 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 47354112021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47354112011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63121 + ... + 314153.
It is an arithmetic number, because the mean of its divisors is an integer number (3977884764).
Almost surely, 247354112021 is an apocalyptic number.
It is an amenable number.
47354112021 is a deficient number, since it is larger than the sum of its proper divisors (16292044203).
47354112021 is a wasteful number, since it uses less digits than its factorization.
47354112021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251540.
The product of its (nonzero) digits is 6720, while the sum is 30.
Adding to 47354112021 its reverse (12021145374), we get a palindrome (59375257395).
The spelling of 47354112021 in words is "forty-seven billion, three hundred fifty-four million, one hundred twelve thousand, twenty-one".
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