Base | Representation |
---|---|
bin | 1110100010110… |
… | …01010001111001 |
3 | 22111120021020020 |
4 | 13101121101321 |
5 | 222213004010 |
6 | 20034521053 |
7 | 3010662414 |
oct | 721312171 |
9 | 274507206 |
10 | 122000505 |
11 | 62958870 |
12 | 34a36189 |
13 | 1c377663 |
14 | 122bab7b |
15 | aa9d470 |
hex | 7459479 |
122000505 has 16 divisors (see below), whose sum is σ = 212946624. Its totient is φ = 59151680.
The previous prime is 122000471. The next prime is 122000519. The reversal of 122000505 is 505000221.
It is not a de Polignac number, because 122000505 - 212 = 121996409 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 369534 + ... + 369863.
It is an arithmetic number, because the mean of its divisors is an integer number (13309164).
Almost surely, 2122000505 is an apocalyptic number.
122000505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122000505 is a deficient number, since it is larger than the sum of its proper divisors (90946119).
122000505 is a wasteful number, since it uses less digits than its factorization.
122000505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 739416.
The product of its (nonzero) digits is 100, while the sum is 15.
The square root of 122000505 is about 11045.3838774395. The cubic root of 122000505 is about 495.9682507101.
Adding to 122000505 its reverse (505000221), we get a palindrome (627000726).
The spelling of 122000505 in words is "one hundred twenty-two million, five hundred five", and thus it is an aban number.
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