Base | Representation |
---|---|
bin | 1100100000001110100… |
… | …0010101101000011111 |
3 | 202112110102112120221002 |
4 | 3020003220111220133 |
5 | 12004412133131230 |
6 | 242403152100515 |
7 | 21343113450446 |
oct | 3100350255037 |
9 | 675412476832 |
10 | 214809270815 |
11 | 83111262597 |
12 | 3576b23473b |
13 | 173444a8909 |
14 | a57ac57d5d |
15 | 58c3661545 |
hex | 3203a15a1f |
214809270815 has 16 divisors (see below), whose sum is σ = 266824579680. Its totient is φ = 165819104640.
The previous prime is 214809270811. The next prime is 214809270839. The reversal of 214809270815 is 518072908412.
It is not a de Polignac number, because 214809270815 - 22 = 214809270811 is a prime.
It is a super-2 number, since 2×2148092708152 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 214809270815.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214809270811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221909 + ... + 691998.
It is an arithmetic number, because the mean of its divisors is an integer number (16676536230).
Almost surely, 2214809270815 is an apocalyptic number.
214809270815 is a deficient number, since it is larger than the sum of its proper divisors (52015308865).
214809270815 is a wasteful number, since it uses less digits than its factorization.
214809270815 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 915562.
The product of its (nonzero) digits is 322560, while the sum is 47.
The spelling of 214809270815 in words is "two hundred fourteen billion, eight hundred nine million, two hundred seventy thousand, eight hundred fifteen".
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