Base | Representation |
---|---|
bin | 10010101001101010… |
… | …00001101010111100 |
3 | 221211211110021001012 |
4 | 21110311001222330 |
5 | 131001324334322 |
6 | 4333331534352 |
7 | 503064061133 |
oct | 112465015274 |
9 | 27754407035 |
10 | 10013121212 |
11 | 4279167196 |
12 | 1b3545a3b8 |
13 | c376328c3 |
14 | 6adbba91a |
15 | 3d9100ae2 |
hex | 254d41abc |
10013121212 has 48 divisors (see below), whose sum is σ = 18311913312. Its totient is φ = 4787112960.
The previous prime is 10013121197. The next prime is 10013121233. The reversal of 10013121212 is 21212131001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1717262 + ... + 1723082.
It is an arithmetic number, because the mean of its divisors is an integer number (381498194).
Almost surely, 210013121212 is an apocalyptic number.
It is an amenable number.
10013121212 is a deficient number, since it is larger than the sum of its proper divisors (8298792100).
10013121212 is a wasteful number, since it uses less digits than its factorization.
10013121212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6078 (or 6076 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 10013121212 its reverse (21212131001), we get a palindrome (31225252213).
It can be divided in two parts, 1001 and 3121212, that added together give a palindrome (3122213).
The spelling of 10013121212 in words is "ten billion, thirteen million, one hundred twenty-one thousand, two hundred twelve".
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