Base | Representation |
---|---|
bin | 1100010010110101011… |
… | …1011000100101000111 |
3 | 202012011220100102110022 |
4 | 3010231113120211013 |
5 | 11430031403032330 |
6 | 241010335445355 |
7 | 21155043434513 |
oct | 3045527304507 |
9 | 665156312408 |
10 | 211214502215 |
11 | 81637097752 |
12 | 34b2738685b |
13 | 16bc080a9c2 |
14 | a31966b143 |
15 | 5762c84ae5 |
hex | 312d5d8947 |
211214502215 has 24 divisors (see below), whose sum is σ = 257974498512. Its totient is φ = 166003906560.
The previous prime is 211214502173. The next prime is 211214502217. The reversal of 211214502215 is 512205412112.
It is a happy number.
211214502215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 211214502215 - 220 = 211213453639 is a prime.
It is a super-2 number, since 2×2112145022152 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211214502217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6428780 + ... + 6461550.
It is an arithmetic number, because the mean of its divisors is an integer number (10748937438).
Almost surely, 2211214502215 is an apocalyptic number.
211214502215 is a deficient number, since it is larger than the sum of its proper divisors (46759996297).
211214502215 is an equidigital number, since it uses as much as digits as its factorization.
211214502215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33107 (or 33010 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 26.
Adding to 211214502215 its reverse (512205412112), we get a palindrome (723419914327).
The spelling of 211214502215 in words is "two hundred eleven billion, two hundred fourteen million, five hundred two thousand, two hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •