Base | Representation |
---|---|
bin | 1001110001100100… |
… | …10101101000000000 |
3 | 111112201110010111000 |
4 | 10320302111220000 |
5 | 41221401442133 |
6 | 2224420052000 |
7 | 244020414333 |
oct | 47062255000 |
9 | 14481403430 |
10 | 5247687168 |
11 | 2253201049 |
12 | 1025534000 |
13 | 658271649 |
14 | 37ad3861a |
15 | 20aa80413 |
hex | 138c95a00 |
5247687168 has 80 divisors (see below), whose sum is σ = 15533559360. Its totient is φ = 1749224448.
The previous prime is 5247687149. The next prime is 5247687169. The reversal of 5247687168 is 8617867425.
5247687168 is a `hidden beast` number, since 5 + 2 + 476 + 8 + 7 + 168 = 666.
It is a super-2 number, since 2×52476871682 = 55076441226383720448, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (5247687169) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175980 + ... + 203627.
It is an arithmetic number, because the mean of its divisors is an integer number (194169492).
Almost surely, 25247687168 is an apocalyptic number.
It is an amenable number.
5247687168 is an abundant number, since it is smaller than the sum of its proper divisors (10285872192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5247687168 is an equidigital number, since it uses as much as digits as its factorization.
5247687168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379634 (or 379612 counting only the distinct ones).
The product of its digits is 4515840, while the sum is 54.
The square root of 5247687168 is about 72440.9219157239. The cubic root of 5247687168 is about 1737.7580638238.
The spelling of 5247687168 in words is "five billion, two hundred forty-seven million, six hundred eighty-seven thousand, one hundred sixty-eight".
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