Base | Representation |
---|---|
bin | 111001010101010110… |
… | …0111110101010101110 |
3 | 102202210122122112220022 |
4 | 1302222230332222232 |
5 | 4004123442031110 |
6 | 132321213122142 |
7 | 11616050151410 |
oct | 1625254765256 |
9 | 382718575808 |
10 | 123123002030 |
11 | 482417a7836 |
12 | 1ba41789352 |
13 | b7c2207072 |
14 | 5d6000a9b0 |
15 | 3309244755 |
hex | 1caab3eaae |
123123002030 has 32 divisors (see below), whose sum is σ = 258060510144. Its totient is φ = 41417116416.
The previous prime is 123123002021. The next prime is 123123002063. The reversal of 123123002030 is 30200321321.
It is a super-3 number, since 3×1231230020303 (a number of 34 digits) contains 333 as substring.
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, 16589687 + ... + 16597106.
It is an arithmetic number, because the mean of its divisors is an integer number (8064390942).
Almost surely, 2123123002030 is an apocalyptic number.
123123002030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123123002030 is an abundant number, since it is smaller than the sum of its proper divisors (134937508114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123123002030 is a wasteful number, since it uses less digits than its factorization.
123123002030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33186860.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 123123002030 its reverse (30200321321), we get a palindrome (153323323351).
The spelling of 123123002030 in words is "one hundred twenty-three billion, one hundred twenty-three million, two thousand, thirty".
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