Base | Representation |
---|---|
bin | 111001011000100100… |
… | …1100000001000011000 |
3 | 102210002012010122122002 |
4 | 1302301021200020120 |
5 | 4004334133024144 |
6 | 132340035020132 |
7 | 11621532266465 |
oct | 1626111401030 |
9 | 383065118562 |
10 | 123231142424 |
11 | 48297849265 |
12 | 1ba71a3a648 |
13 | b80b73ab70 |
14 | 5d7051a66c |
15 | 33139a614e |
hex | 1cb1260218 |
123231142424 has 32 divisors (see below), whose sum is σ = 248856510000. Its totient is φ = 56870335872.
The previous prime is 123231142423. The next prime is 123231142459. The reversal of 123231142424 is 424241132321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123231142423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122662 + ... + 1227530.
Almost surely, 2123231142424 is an apocalyptic number.
It is an amenable number.
123231142424 is an abundant number, since it is smaller than the sum of its proper divisors (125625367576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123231142424 is a wasteful number, since it uses less digits than its factorization.
123231142424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116187 (or 116183 counting only the distinct ones).
The product of its digits is 9216, while the sum is 29.
Adding to 123231142424 its reverse (424241132321), we get a palindrome (547472274745).
The spelling of 123231142424 in words is "one hundred twenty-three billion, two hundred thirty-one million, one hundred forty-two thousand, four hundred twenty-four".
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