Base | Representation |
---|---|
bin | 111001111011011111… |
… | …1111001100110101010 |
3 | 102220002212020201210000 |
4 | 1303312333321212222 |
5 | 4014234133433232 |
6 | 133052220403430 |
7 | 11662552211565 |
oct | 1636677714652 |
9 | 386085221700 |
10 | 124403030442 |
11 | 488392a4059 |
12 | 2013a3a6576 |
13 | b96746b822 |
14 | 604200d4dc |
15 | 33817dc27c |
hex | 1cf6ff99aa |
124403030442 has 320 divisors, whose sum is σ = 314423746560. Its totient is φ = 36594633600.
The previous prime is 124403030431. The next prime is 124403030443. The reversal of 124403030442 is 244030304421.
It is a happy number.
124403030442 is a `hidden beast` number, since 124 + 40 + 30 + 30 + 442 = 666.
It is a super-2 number, since 2×1244030304422 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (124403030443) by changing a digit.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 589587717 + ... + 589587927.
It is an arithmetic number, because the mean of its divisors is an integer number (982574208).
Almost surely, 2124403030442 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 124403030442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157211873280).
124403030442 is an abundant number, since it is smaller than the sum of its proper divisors (190020716118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124403030442 is a wasteful number, since it uses less digits than its factorization.
124403030442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 479 (or 470 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 27.
Adding to 124403030442 its reverse (244030304421), we get a palindrome (368433334863).
The spelling of 124403030442 in words is "one hundred twenty-four billion, four hundred three million, thirty thousand, four hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •