Base | Representation |
---|---|
bin | 1110101100101… |
… | …10100010111110 |
3 | 22121000021211210 |
4 | 13112112202332 |
5 | 223031100110 |
6 | 20122425250 |
7 | 3025014210 |
oct | 726264276 |
9 | 277007753 |
10 | 123300030 |
11 | 63666157 |
12 | 35362226 |
13 | 1c710cc9 |
14 | 125385b0 |
15 | ac58520 |
hex | 75968be |
123300030 has 32 divisors (see below), whose sum is σ = 338194944. Its totient is φ = 28182816.
The previous prime is 123300017. The next prime is 123300043. The reversal of 123300030 is 30003321.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (123300017) and next prime (123300043).
It is a junction number, because it is equal to n+sod(n) for n = 123299979 and 123300015.
It is a congruent number.
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, 293362 + ... + 293781.
It is an arithmetic number, because the mean of its divisors is an integer number (10568592).
Almost surely, 2123300030 is an apocalyptic number.
123300030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123300030 is an abundant number, since it is smaller than the sum of its proper divisors (214894914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123300030 is a wasteful number, since it uses less digits than its factorization.
123300030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 587160.
The product of its (nonzero) digits is 54, while the sum is 12.
The square root of 123300030 is about 11104.0546648510. The cubic root of 123300030 is about 497.7230197961.
Adding to 123300030 its reverse (30003321), we get a palindrome (153303351).
The spelling of 123300030 in words is "one hundred twenty-three million, three hundred thousand, thirty".
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