Base | Representation |
---|---|
bin | 111001010100110011… |
… | …0110100010100110111 |
3 | 102202202101001010012212 |
4 | 1302221212310110313 |
5 | 4004104240001331 |
6 | 132315315004035 |
7 | 11615434626215 |
oct | 1625146642467 |
9 | 382671033185 |
10 | 123104609591 |
11 | 48232385277 |
12 | 1ba3759961b |
13 | b7bb467572 |
14 | 5d5b7bdcb5 |
15 | 330780ed2b |
hex | 1ca99b4537 |
123104609591 has 8 divisors (see below), whose sum is σ = 130853244960. Its totient is φ = 115412328448.
The previous prime is 123104609581. The next prime is 123104609603. The reversal of 123104609591 is 195906401321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123104609591 - 214 = 123104593207 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123104609581) 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, 14084051 + ... + 14092788.
It is an arithmetic number, because the mean of its divisors is an integer number (16356655620).
Almost surely, 2123104609591 is an apocalyptic number.
123104609591 is a deficient number, since it is larger than the sum of its proper divisors (7748635369).
123104609591 is a wasteful number, since it uses less digits than its factorization.
123104609591 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28177113.
The product of its (nonzero) digits is 58320, while the sum is 41.
The spelling of 123104609591 in words is "one hundred twenty-three billion, one hundred four million, six hundred nine thousand, five hundred ninety-one".
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