Base | Representation |
---|---|
bin | 101100011111000100… |
… | …010000101100100100 |
3 | 11120021212212122020111 |
4 | 230133010100230210 |
5 | 1240311024212131 |
6 | 33535431542404 |
7 | 3310453014400 |
oct | 543704205444 |
9 | 146255778214 |
10 | 47765850916 |
11 | 19291639853 |
12 | 931082aa04 |
13 | 4672c42a14 |
14 | 2451b24100 |
15 | 139867eab1 |
hex | b1f110b24 |
47765850916 has 81 divisors (see below), whose sum is σ = 99136063089. Its totient is φ = 20078993088.
The previous prime is 47765850889. The next prime is 47765850919. The reversal of 47765850916 is 61905856774.
The square root of 47765850916 is 218554.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 9700280100 + 38065570816 = 98490^2 + 195104^2 .
It is not an unprimeable number, because it can be changed into a prime (47765850919) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 205003536 + ... + 205003768.
Almost surely, 247765850916 is an apocalyptic number.
47765850916 is the 218554-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47765850916
47765850916 is an abundant number, since it is smaller than the sum of its proper divisors (51370212173).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47765850916 is an equidigital number, since it uses as much as digits as its factorization.
47765850916 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 618 (or 309 counting only the distinct ones).
The product of its (nonzero) digits is 12700800, while the sum is 58.
The spelling of 47765850916 in words is "forty-seven billion, seven hundred sixty-five million, eight hundred fifty thousand, nine hundred sixteen".
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