Base | Representation |
---|---|
bin | 1011010101111110001101… |
… | …1010010111011101000100 |
3 | 1122011022200110200022200112 |
4 | 2311133203122113131010 |
5 | 3113320332440301012 |
6 | 42305334531132152 |
7 | 2425036253501000 |
oct | 265374332273504 |
9 | 48138613608615 |
10 | 12472105400132 |
11 | 3a79432395584 |
12 | 1495216a44058 |
13 | 6c6164704361 |
14 | 31192024b700 |
15 | 169664bac122 |
hex | b57e3697744 |
12472105400132 has 48 divisors (see below), whose sum is σ = 25459832160000. Its totient is φ = 5343811304832.
The previous prime is 12472105400107. The next prime is 12472105400143. The reversal of 12472105400132 is 23100450127421.
It is a happy number.
It is a super-2 number, since 2×124721054001322 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4166969 + ... + 6504447.
It is an arithmetic number, because the mean of its divisors is an integer number (530413170000).
Almost surely, 212472105400132 is an apocalyptic number.
It is an amenable number.
12472105400132 is an abundant number, since it is smaller than the sum of its proper divisors (12987726759868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12472105400132 is a wasteful number, since it uses less digits than its factorization.
12472105400132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2341393 (or 2341377 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 32.
Adding to 12472105400132 its reverse (23100450127421), we get a palindrome (35572555527553).
The spelling of 12472105400132 in words is "twelve trillion, four hundred seventy-two billion, one hundred five million, four hundred thousand, one hundred thirty-two".
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