Base | Representation |
---|---|
bin | 1111110010111001… |
… | …0111111011011001 |
3 | 101221111100002020000 |
4 | 3330232113323121 |
5 | 32140420440230 |
6 | 1540422123213 |
7 | 210033350646 |
oct | 37456277331 |
9 | 11844302200 |
10 | 4240015065 |
11 | 1886418090 |
12 | 9a3b80509 |
13 | 527579370 |
14 | 2c3190dcd |
15 | 19c385b60 |
hex | fcb97ed9 |
4240015065 has 160 divisors (see below), whose sum is σ = 9001238400. Its totient is φ = 1882414080.
The previous prime is 4240015061. The next prime is 4240015081. The reversal of 4240015065 is 5605100424.
It is not a de Polignac number, because 4240015065 - 22 = 4240015061 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (4240015061) by changing a digit.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 10366581 + ... + 10366989.
It is an arithmetic number, because the mean of its divisors is an integer number (56257740).
Almost surely, 24240015065 is an apocalyptic number.
4240015065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
4240015065 is an abundant number, since it is smaller than the sum of its proper divisors (4761223335).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4240015065 is a wasteful number, since it uses less digits than its factorization.
4240015065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 629 (or 620 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 4240015065 is about 65115.3980637453. The cubic root of 4240015065 is about 1618.5363838310.
Adding to 4240015065 its reverse (5605100424), we get a palindrome (9845115489).
The spelling of 4240015065 in words is "four billion, two hundred forty million, fifteen thousand, sixty-five".
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