Base | Representation |
---|---|
bin | 101100100011111011… |
… | …111110001100010011 |
3 | 11120111120122002120220 |
4 | 230203323332030103 |
5 | 1240442434022201 |
6 | 33551511204123 |
7 | 3312464404200 |
oct | 544373761423 |
9 | 146446562526 |
10 | 47847564051 |
11 | 19323780071 |
12 | 9334076643 |
13 | 4686b52aa1 |
14 | 245c914ca7 |
15 | 13a0921036 |
hex | b23efe313 |
47847564051 has 24 divisors (see below), whose sum is σ = 74249622720. Its totient is φ = 27327806352.
The previous prime is 47847564001. The next prime is 47847564077. The reversal of 47847564051 is 15046574874.
It is not a de Polignac number, because 47847564051 - 27 = 47847563923 is a prime.
It is a super-2 number, since 2×478475640512 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 47847563985 and 47847564003.
It is not an unprimeable number, because it can be changed into a prime (47847564001) 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, 217680 + ... + 378258.
It is an arithmetic number, because the mean of its divisors is an integer number (3093734280).
Almost surely, 247847564051 is an apocalyptic number.
47847564051 is a deficient number, since it is larger than the sum of its proper divisors (26402058669).
47847564051 is a wasteful number, since it uses less digits than its factorization.
47847564051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162623 (or 162616 counting only the distinct ones).
The product of its (nonzero) digits is 3763200, while the sum is 51.
The spelling of 47847564051 in words is "forty-seven billion, eight hundred forty-seven million, five hundred sixty-four thousand, fifty-one".
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