Base | Representation |
---|---|
bin | 111001010001110110… |
… | …0100011011111111000 |
3 | 102202111110110022011000 |
4 | 1302203230203133320 |
5 | 4003403343401412 |
6 | 132301413405000 |
7 | 11613122034660 |
oct | 1624354433770 |
9 | 382443408130 |
10 | 123005450232 |
11 | 48191408395 |
12 | 1ba0a339760 |
13 | b7a3a595a2 |
14 | 5d4c56b1a0 |
15 | 32edc744dc |
hex | 1ca3b237f8 |
123005450232 has 256 divisors, whose sum is σ = 394321075200. Its totient is φ = 34801643520.
The previous prime is 123005450167. The next prime is 123005450261. The reversal of 123005450232 is 232054500321.
It is a happy number.
123005450232 is a `hidden beast` number, since 123 + 0 + 0 + 5 + 4 + 502 + 32 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 123005450196 and 123005450205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83054932 + ... + 83056412.
It is an arithmetic number, because the mean of its divisors is an integer number (1540316700).
Almost surely, 2123005450232 is an apocalyptic number.
123005450232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 123005450232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197160537600).
123005450232 is an abundant number, since it is smaller than the sum of its proper divisors (271315624968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123005450232 is a wasteful number, since it uses less digits than its factorization.
123005450232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2003 (or 1993 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
Adding to 123005450232 its reverse (232054500321), we get a palindrome (355059950553).
The spelling of 123005450232 in words is "one hundred twenty-three billion, five million, four hundred fifty thousand, two hundred thirty-two".
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