Base | Representation |
---|---|
bin | 101111000010000100… |
… | …0101010011010101100 |
3 | 100122200221102001122202 |
4 | 1132010020222122230 |
5 | 3123322241024322 |
6 | 114222124201032 |
7 | 10203621165041 |
oct | 1360410523254 |
9 | 318627361582 |
10 | 101001111212 |
11 | 3991a548841 |
12 | 176a9099178 |
13 | 96a8048641 |
14 | 4c61dbb1c8 |
15 | 296208a292 |
hex | 178422a6ac |
101001111212 has 48 divisors (see below), whose sum is σ = 188912243520. Its totient is φ = 47084255232.
The previous prime is 101001111187. The next prime is 101001111247. The reversal of 101001111212 is 212111100101.
It is a junction number, because it is equal to n+sod(n) for n = 101001111193 and 101001111202.
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, 3105089 + ... + 3137447.
It is an arithmetic number, because the mean of its divisors is an integer number (3935671740).
Almost surely, 2101001111212 is an apocalyptic number.
It is an amenable number.
101001111212 is a deficient number, since it is larger than the sum of its proper divisors (87911132308).
101001111212 is a wasteful number, since it uses less digits than its factorization.
101001111212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32810 (or 32808 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 11.
Adding to 101001111212 its reverse (212111100101), we get a palindrome (313112211313).
The spelling of 101001111212 in words is "one hundred one billion, one million, one hundred eleven thousand, two hundred twelve".
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