Base | Representation |
---|---|
bin | 111001010100111101… |
… | …1000011011011000111 |
3 | 102202202202000121220222 |
4 | 1302221323003123013 |
5 | 4004112114224221 |
6 | 132320024414555 |
7 | 11615531001656 |
oct | 1625173033307 |
9 | 382682017828 |
10 | 123109914311 |
11 | 4823537883a |
12 | 1ba3931745b |
13 | b7bc5a3c57 |
14 | 5d5c3a119d |
15 | 330800b9ab |
hex | 1ca9ec36c7 |
123109914311 has 4 divisors (see below), whose sum is σ = 127355083800. Its totient is φ = 118864744824.
The previous prime is 123109914259. The next prime is 123109914353. The reversal of 123109914311 is 113419901321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113419901321 = 739 ⋅153477539.
It is a cyclic number.
It is not a de Polignac number, because 123109914311 - 26 = 123109914247 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 (123100914311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122584701 + ... + 2122584758.
It is an arithmetic number, because the mean of its divisors is an integer number (31838770950).
Almost surely, 2123109914311 is an apocalyptic number.
123109914311 is a deficient number, since it is larger than the sum of its proper divisors (4245169489).
123109914311 is an equidigital number, since it uses as much as digits as its factorization.
123109914311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4245169488.
The product of its (nonzero) digits is 5832, while the sum is 35.
The spelling of 123109914311 in words is "one hundred twenty-three billion, one hundred nine million, nine hundred fourteen thousand, three hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •