Base | Representation |
---|---|
bin | 1110100010110… |
… | …01001101010011 |
3 | 22111120020211100 |
4 | 13101121031103 |
5 | 222213001321 |
6 | 20034515443 |
7 | 3010661514 |
oct | 721311523 |
9 | 274506740 |
10 | 122000211 |
11 | 62958623 |
12 | 34a35b83 |
13 | 1c377498 |
14 | 122baa0b |
15 | aa9d326 |
hex | 7459353 |
122000211 has 48 divisors (see below), whose sum is σ = 200176704. Its totient is φ = 71165952.
The previous prime is 122000191. The next prime is 122000237. The reversal of 122000211 is 112000221.
It is a de Polignac number, because none of the positive numbers 2k-122000211 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 122000193 and 122000202.
It is not an unprimeable number, because it can be changed into a prime (122000251) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129735 + ... + 130671.
It is an arithmetic number, because the mean of its divisors is an integer number (4170348).
Almost surely, 2122000211 is an apocalyptic number.
122000211 is a deficient number, since it is larger than the sum of its proper divisors (78176493).
122000211 is a wasteful number, since it uses less digits than its factorization.
122000211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1020 (or 1017 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 122000211 is about 11045.3705687043. The cubic root of 122000211 is about 495.9678523107.
Adding to 122000211 its reverse (112000221), we get a palindrome (234000432).
The spelling of 122000211 in words is "one hundred twenty-two million, two hundred eleven", and thus it is an aban number.
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