Base | Representation |
---|---|
bin | 1110101001011… |
… | …01001100001000 |
3 | 22120012100212202 |
4 | 13110231030020 |
5 | 222423242423 |
6 | 20105255332 |
7 | 3021236111 |
oct | 724551410 |
9 | 276170782 |
10 | 122868488 |
11 | 633a0a06 |
12 | 35194548 |
13 | 1c5bc762 |
14 | 12465208 |
15 | abc0728 |
hex | 752d308 |
122868488 has 12 divisors (see below), whose sum is σ = 230437215. Its totient is φ = 61418568.
The previous prime is 122868479. The next prime is 122868491. The reversal of 122868488 is 884868221.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 61434244 + 61434244 = 7838^2 + 7838^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=7838.
It is a super-3 number, since 3×1228684883 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 29393 + ... + 33311.
Almost surely, 2122868488 is an apocalyptic number.
It is an amenable number.
122868488 is a deficient number, since it is larger than the sum of its proper divisors (107568727).
122868488 is an frugal number, since it uses more digits than its factorization.
122868488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7844 (or 3921 counting only the distinct ones).
The product of its digits is 393216, while the sum is 47.
The square root of 122868488 is about 11084.6059018803. The cubic root of 122868488 is about 497.1416750942.
The spelling of 122868488 in words is "one hundred twenty-two million, eight hundred sixty-eight thousand, four hundred eighty-eight".
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