Base | Representation |
---|---|
bin | 11100000001001000011111… |
… | …100000000110001111111100 |
3 | 121011022000110111202111001201 |
4 | 130001020133200012033330 |
5 | 112122341442344331030 |
6 | 1114023532405545244 |
7 | 34645402200124126 |
oct | 3401103740061774 |
9 | 534260414674051 |
10 | 123223140230140 |
11 | 3629870526a525 |
12 | 119a1578415224 |
13 | 539ab7a3c5bc2 |
14 | 22600633da216 |
15 | e3a4b3acd2ca |
hex | 70121f8063fc |
123223140230140 has 48 divisors (see below), whose sum is σ = 262463003974080. Its totient is φ = 48585822440960.
The previous prime is 123223140230107. The next prime is 123223140230147. The reversal of 123223140230140 is 41032041322321.
It is a junction number, because it is equal to n+sod(n) for n = 123223140230099 and 123223140230108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123223140230147) 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, 740755 + ... + 15716074.
It is an arithmetic number, because the mean of its divisors is an integer number (5467979249460).
Almost surely, 2123223140230140 is an apocalyptic number.
123223140230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
123223140230140 is an abundant number, since it is smaller than the sum of its proper divisors (139239863743940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123223140230140 is a wasteful number, since it uses less digits than its factorization.
123223140230140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16462182 (or 16462180 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 123223140230140 its reverse (41032041322321), we get a palindrome (164255181552461).
The spelling of 123223140230140 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, one hundred forty million, two hundred thirty thousand, one hundred forty".
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