Base | Representation |
---|---|
bin | 111001010101101000… |
… | …0001001111011101101 |
3 | 102202211022000000222121 |
4 | 1302223100021323231 |
5 | 4004133322120323 |
6 | 132322142512541 |
7 | 11616221425336 |
oct | 1625320117355 |
9 | 382738000877 |
10 | 123132223213 |
11 | 48246a2584a |
12 | 1ba44895751 |
13 | b7c40b529c |
14 | 5d6132b28d |
15 | 3309e66a5d |
hex | 1cab409eed |
123132223213 has 16 divisors (see below), whose sum is σ = 130227048000. Its totient is φ = 116099592192.
The previous prime is 123132223189. The next prime is 123132223217. The reversal of 123132223213 is 312322231321.
It is a cyclic number.
It is not a de Polignac number, because 123132223213 - 29 = 123132222701 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 (123132223217) 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, 6137683 + ... + 6157711.
It is an arithmetic number, because the mean of its divisors is an integer number (8139190500).
Almost surely, 2123132223213 is an apocalyptic number.
It is an amenable number.
123132223213 is a deficient number, since it is larger than the sum of its proper divisors (7094824787).
123132223213 is a wasteful number, since it uses less digits than its factorization.
123132223213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21564.
The product of its digits is 2592, while the sum is 25.
Adding to 123132223213 its reverse (312322231321), we get a palindrome (435454454534).
The spelling of 123132223213 in words is "one hundred twenty-three billion, one hundred thirty-two million, two hundred twenty-three thousand, two hundred thirteen".
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