Base | Representation |
---|---|
bin | 1100100000100001011… |
… | …0011010001100001001 |
3 | 202112122221112122220121 |
4 | 3020020112122030021 |
5 | 12010042421110334 |
6 | 242415101223241 |
7 | 21345064514044 |
oct | 3101026321411 |
9 | 675587478817 |
10 | 214888456969 |
11 | 83151a2829a |
12 | 35791861b21 |
13 | 17357a12724 |
14 | a58758bc5b |
15 | 58ca5a3db4 |
hex | 320859a309 |
214888456969 has 4 divisors (see below), whose sum is σ = 214891223760. Its totient is φ = 214885690180.
The previous prime is 214888456961. The next prime is 214888456987. The reversal of 214888456969 is 969654888412.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 214888456969 - 23 = 214888456961 is a prime.
It is a super-2 number, since 2×2148884569692 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 214888456898 and 214888456907.
It is not an unprimeable number, because it can be changed into a prime (214888456961) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263427 + ... + 1423384.
It is an arithmetic number, because the mean of its divisors is an integer number (53722805940).
Almost surely, 2214888456969 is an apocalyptic number.
It is an amenable number.
214888456969 is a deficient number, since it is larger than the sum of its proper divisors (2766791).
214888456969 is an equidigital number, since it uses as much as digits as its factorization.
214888456969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2766790.
The product of its digits is 238878720, while the sum is 70.
The spelling of 214888456969 in words is "two hundred fourteen billion, eight hundred eighty-eight million, four hundred fifty-six thousand, nine hundred sixty-nine".
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