Base | Representation |
---|---|
bin | 100100001011110… |
… | …0110100001101000 |
3 | 10010121122001002222 |
4 | 1020113212201220 |
5 | 4441310143124 |
6 | 320251213212 |
7 | 42042035123 |
oct | 11027464150 |
9 | 3117561088 |
10 | 1214146664 |
11 | 5733993a5 |
12 | 29a747208 |
13 | 1647085a3 |
14 | b73733ba |
15 | 718d225e |
hex | 485e6868 |
1214146664 has 64 divisors (see below), whose sum is σ = 2575540800. Its totient is φ = 533136384.
The previous prime is 1214146643. The next prime is 1214146709. The reversal of 1214146664 is 4666414121.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169622 + ... + 176634.
It is an arithmetic number, because the mean of its divisors is an integer number (40242825).
Almost surely, 21214146664 is an apocalyptic number.
It is an amenable number.
1214146664 is an abundant number, since it is smaller than the sum of its proper divisors (1361394136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214146664 is a wasteful number, since it uses less digits than its factorization.
1214146664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7122 (or 7118 counting only the distinct ones).
The product of its digits is 27648, while the sum is 35.
The square root of 1214146664 is about 34844.6073876576. The cubic root of 1214146664 is about 1066.8181200743.
The spelling of 1214146664 in words is "one billion, two hundred fourteen million, one hundred forty-six thousand, six hundred sixty-four".
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