Base | Representation |
---|---|
bin | 101100001110101000… |
… | …110100010011100010 |
3 | 11112120200020012110112 |
4 | 230032220310103202 |
5 | 1234224444040112 |
6 | 33452224131322 |
7 | 3300565135430 |
oct | 541650642342 |
9 | 145520205415 |
10 | 47490221282 |
11 | 1915aaa0169 |
12 | 9254466b42 |
13 | 462aac866a |
14 | 2427295d50 |
15 | 137e386a22 |
hex | b0ea344e2 |
47490221282 has 32 divisors (see below), whose sum is σ = 84478132224. Its totient is φ = 19593248400.
The previous prime is 47490221281. The next prime is 47490221297. The reversal of 47490221282 is 28212209474.
It is a super-2 number, since 2×474902212822 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (47490221281) 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, 203558 + ... + 369345.
It is an arithmetic number, because the mean of its divisors is an integer number (2639941632).
Almost surely, 247490221282 is an apocalyptic number.
47490221282 is a deficient number, since it is larger than the sum of its proper divisors (36987910942).
47490221282 is a wasteful number, since it uses less digits than its factorization.
47490221282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 573134.
The product of its (nonzero) digits is 129024, while the sum is 41.
The spelling of 47490221282 in words is "forty-seven billion, four hundred ninety million, two hundred twenty-one thousand, two hundred eighty-two".
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