Base | Representation |
---|---|
bin | 100100000100000… |
… | …1011000011111100 |
3 | 10010100000112220001 |
4 | 1020020023003330 |
5 | 4434241231022 |
6 | 320024404044 |
7 | 41662461130 |
oct | 11010130374 |
9 | 3110015801 |
10 | 1210102012 |
11 | 571086609 |
12 | 299316624 |
13 | 1639205c2 |
14 | b69dd3c0 |
15 | 71383b27 |
hex | 4820b0fc |
1210102012 has 12 divisors (see below), whose sum is σ = 2420204080. Its totient is φ = 518615136.
The previous prime is 1210101943. The next prime is 1210102027. The reversal of 1210102012 is 2102010121.
1210102012 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 1210102012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21608937 + ... + 21608992.
Almost surely, 21210102012 is an apocalyptic number.
It is an amenable number.
1210102012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210102012 is a wasteful number, since it uses less digits than its factorization.
1210102012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43217940 (or 43217938 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 1210102012 is about 34786.5205503511. The cubic root of 1210102012 is about 1065.6321819899.
Adding to 1210102012 its reverse (2102010121), we get a palindrome (3312112133).
The spelling of 1210102012 in words is "one billion, two hundred ten million, one hundred two thousand, twelve".
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