Base | Representation |
---|---|
bin | 111001100000100101… |
… | …1010001111011111110 |
3 | 102210202221010021021211 |
4 | 1303001023101323332 |
5 | 4010412002402110 |
6 | 132422442315034 |
7 | 11631306024256 |
oct | 1630113217376 |
9 | 383687107254 |
10 | 123500044030 |
11 | 48415611aa0 |
12 | 1bb27ab8a7a |
13 | b85236aa3c |
14 | 5d98116966 |
15 | 332c3c098a |
hex | 1cc12d1efe |
123500044030 has 32 divisors (see below), whose sum is σ = 247084833888. Its totient is φ = 44061763200.
The previous prime is 123500044027. The next prime is 123500044039. The reversal of 123500044030 is 30440005321.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 123500043992 and 123500044010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123500044039) 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, 10585941 + ... + 10597600.
It is an arithmetic number, because the mean of its divisors is an integer number (7721401059).
Almost surely, 2123500044030 is an apocalyptic number.
123500044030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123500044030 is an abundant number, since it is smaller than the sum of its proper divisors (123584789858).
123500044030 is a wasteful number, since it uses less digits than its factorization.
123500044030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21183612.
The product of its (nonzero) digits is 1440, while the sum is 22.
Adding to 123500044030 its reverse (30440005321), we get a palindrome (153940049351).
The spelling of 123500044030 in words is "one hundred twenty-three billion, five hundred million, forty-four thousand, thirty".
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