Base | Representation |
---|---|
bin | 1100100010100011010… |
… | …1011011110000001101 |
3 | 202121001221001201112210 |
4 | 3020220311123300031 |
5 | 12012201431220444 |
6 | 242545130421033 |
7 | 21364433126253 |
oct | 3105065336015 |
9 | 677057051483 |
10 | 215433460749 |
11 | 83401632741 |
12 | 35904291779 |
13 | 174138c3a80 |
14 | a5d9ada5d3 |
15 | 590d35b7b9 |
hex | 3228d5bc0d |
215433460749 has 16 divisors (see below), whose sum is σ = 309931856192. Its totient is φ = 132320936448.
The previous prime is 215433460733. The next prime is 215433460771. The reversal of 215433460749 is 947064334512.
It is a happy number.
It is not a de Polignac number, because 215433460749 - 24 = 215433460733 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 215433460698 and 215433460707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (215434460749) 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, 5260612 + ... + 5301405.
It is an arithmetic number, because the mean of its divisors is an integer number (19370741012).
Almost surely, 2215433460749 is an apocalyptic number.
It is an amenable number.
215433460749 is a deficient number, since it is larger than the sum of its proper divisors (94498395443).
215433460749 is a wasteful number, since it uses less digits than its factorization.
215433460749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10562556.
The product of its (nonzero) digits is 2177280, while the sum is 48.
The spelling of 215433460749 in words is "two hundred fifteen billion, four hundred thirty-three million, four hundred sixty thousand, seven hundred forty-nine".
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