Base | Representation |
---|---|
bin | 1110101000111… |
… | …10001111001011 |
3 | 22120002020212102 |
4 | 13110132033023 |
5 | 222414312433 |
6 | 20104104015 |
7 | 3020562416 |
oct | 724361713 |
9 | 276066772 |
10 | 122807243 |
11 | 63359999 |
12 | 3516500b |
13 | 1c59a910 |
14 | 1244ab7d |
15 | abac4e8 |
hex | 751e3cb |
122807243 has 16 divisors (see below), whose sum is σ = 135110976. Its totient is φ = 110937600.
The previous prime is 122807221. The next prime is 122807299. The reversal of 122807243 is 342708221.
It is a cyclic number.
It is not a de Polignac number, because 122807243 - 28 = 122806987 is a prime.
It is a super-2 number, since 2×1228072432 = 30163237866522098, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (122809243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142871 + ... + 143727.
It is an arithmetic number, because the mean of its divisors is an integer number (8444436).
Almost surely, 2122807243 is an apocalyptic number.
122807243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
122807243 is a deficient number, since it is larger than the sum of its proper divisors (12303733).
122807243 is a wasteful number, since it uses less digits than its factorization.
122807243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1094.
The product of its (nonzero) digits is 5376, while the sum is 29.
The square root of 122807243 is about 11081.8429423991. The cubic root of 122807243 is about 497.0590596552.
The spelling of 122807243 in words is "one hundred twenty-two million, eight hundred seven thousand, two hundred forty-three".
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