Base | Representation |
---|---|
bin | 1110100010110… |
… | …01001110110111 |
3 | 22111120020222001 |
4 | 13101121032313 |
5 | 222213002221 |
6 | 20034520131 |
7 | 3010662016 |
oct | 721311667 |
9 | 274506861 |
10 | 122000311 |
11 | 62958704 |
12 | 34a36047 |
13 | 1c377544 |
14 | 122baa7d |
15 | aa9d391 |
hex | 74593b7 |
122000311 has 12 divisors (see below), whose sum is σ = 129274824. Its totient is φ = 115117200.
The previous prime is 122000293. The next prime is 122000317. The reversal of 122000311 is 113000221.
It is not a de Polignac number, because 122000311 - 223 = 113611703 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122000317) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118981 + ... + 120001.
It is an arithmetic number, because the mean of its divisors is an integer number (10772902).
Almost surely, 2122000311 is an apocalyptic number.
122000311 is a deficient number, since it is larger than the sum of its proper divisors (7274513).
122000311 is a wasteful number, since it uses less digits than its factorization.
122000311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1390 (or 1371 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 122000311 is about 11045.3750954868. The cubic root of 122000311 is about 495.9679878208.
Adding to 122000311 its reverse (113000221), we get a palindrome (235000532).
The spelling of 122000311 in words is "one hundred twenty-two million, three hundred eleven", and thus it is an aban number.
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