Base | Representation |
---|---|
bin | 1100011110100110011… |
… | …1111000110011111001 |
3 | 202111100000111221122002 |
4 | 3013221213320303321 |
5 | 12003013433221040 |
6 | 242252004110345 |
7 | 21326234653112 |
oct | 3075147706371 |
9 | 674300457562 |
10 | 214372945145 |
11 | 82a07a36667 |
12 | 356690953b5 |
13 | 172a4c89048 |
14 | a538d19209 |
15 | 589a1c4a15 |
hex | 31e99f8cf9 |
214372945145 has 16 divisors (see below), whose sum is σ = 265572000768. Its totient is φ = 165949801920.
The previous prime is 214372945139. The next prime is 214372945271. The reversal of 214372945145 is 541549273412.
It is not a de Polignac number, because 214372945145 - 26 = 214372945081 is a prime.
It is a super-2 number, since 2×2143729451452 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 214372945145.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1649687 + ... + 1774883.
It is an arithmetic number, because the mean of its divisors is an integer number (16598250048).
Almost surely, 2214372945145 is an apocalyptic number.
It is an amenable number.
214372945145 is a deficient number, since it is larger than the sum of its proper divisors (51199055623).
214372945145 is a wasteful number, since it uses less digits than its factorization.
214372945145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136280.
The product of its digits is 1209600, while the sum is 47.
The spelling of 214372945145 in words is "two hundred fourteen billion, three hundred seventy-two million, nine hundred forty-five thousand, one hundred forty-five".
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