Base | Representation |
---|---|
bin | 111001010010111010… |
… | …1110110110100110010 |
3 | 102202120222011221010000 |
4 | 1302211311312310302 |
5 | 4003442102134442 |
6 | 132305141050430 |
7 | 11614040003343 |
oct | 1624565666462 |
9 | 382528157100 |
10 | 123041443122 |
11 | 481aa761384 |
12 | 1ba1a3b6a16 |
13 | b7ab34c260 |
14 | 5d5325a0ca |
15 | 3301ed3d4c |
hex | 1ca5d76d32 |
123041443122 has 80 divisors (see below), whose sum is σ = 297260409600. Its totient is φ = 37814478048.
The previous prime is 123041443121. The next prime is 123041443123. The reversal of 123041443122 is 221344140321.
123041443122 is a `hidden beast` number, since 1 + 2 + 304 + 1 + 44 + 312 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (123041443121) and next prime (123041443123).
It is a super-2 number, since 2×1230414431222 (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 (123041443121) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1783629 + ... + 1851327.
It is an arithmetic number, because the mean of its divisors is an integer number (3715755120).
Almost surely, 2123041443122 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 123041443122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148630204800).
123041443122 is an abundant number, since it is smaller than the sum of its proper divisors (174218966478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123041443122 is a wasteful number, since it uses less digits than its factorization.
123041443122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68589 (or 68580 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 123041443122 its reverse (221344140321), we get a palindrome (344385583443).
The spelling of 123041443122 in words is "one hundred twenty-three billion, forty-one million, four hundred forty-three thousand, one hundred twenty-two".
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