Base | Representation |
---|---|
bin | 111001010101111100… |
… | …1011000110100100101 |
3 | 102202212001100011222210 |
4 | 1302223321120310211 |
5 | 4004144104011401 |
6 | 132323210314033 |
7 | 11616412334205 |
oct | 1625371306445 |
9 | 382761304883 |
10 | 123143032101 |
11 | 48252038711 |
12 | 1ba48428919 |
13 | b7c63cb08b |
14 | 5d62942405 |
15 | 330ad9e4d6 |
hex | 1cabe58d25 |
123143032101 has 8 divisors (see below), whose sum is σ = 166641317344. Its totient is φ = 80870050800.
The previous prime is 123143032097. The next prime is 123143032127. The reversal of 123143032101 is 101230341321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 123143032101 - 22 = 123143032097 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123143036101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306325750 + ... + 306326151.
It is an arithmetic number, because the mean of its divisors is an integer number (20830164668).
Almost surely, 2123143032101 is an apocalyptic number.
It is an amenable number.
123143032101 is a deficient number, since it is larger than the sum of its proper divisors (43498285243).
123143032101 is an equidigital number, since it uses as much as digits as its factorization.
123143032101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 612651971.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 123143032101 its reverse (101230341321), we get a palindrome (224373373422).
The spelling of 123143032101 in words is "one hundred twenty-three billion, one hundred forty-three million, thirty-two thousand, one hundred one".
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