Base | Representation |
---|---|
bin | 1110001100101111010100… |
… | …00001000010001011010000 |
3 | 11002112222201021022212021200 |
4 | 13012113222001002023100 |
5 | 13043033320103223344 |
6 | 150224043313351200 |
7 | 6401601621630633 |
oct | 706275201021320 |
9 | 132488637285250 |
10 | 31224043414224 |
11 | 9a49051553111 |
12 | 3603518b68500 |
13 | 1456551013b7b |
14 | 79d374bb1c1a |
15 | 3923206ce069 |
hex | 1c65ea0422d0 |
31224043414224 has 120 divisors (see below), whose sum is σ = 89037454532832. Its totient is φ = 10211092519680.
The previous prime is 31224043414219. The next prime is 31224043414243. The reversal of 31224043414224 is 42241434042213.
31224043414224 is a `hidden beast` number, since 3 + 1 + 22 + 40 + 434 + 142 + 24 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158120319 + ... + 158317665.
Almost surely, 231224043414224 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31224043414224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44518727266416).
31224043414224 is an abundant number, since it is smaller than the sum of its proper divisors (57813411118608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31224043414224 is a wasteful number, since it uses less digits than its factorization.
31224043414224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218145 (or 218136 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 36.
Adding to 31224043414224 its reverse (42241434042213), we get a palindrome (73465477456437).
The spelling of 31224043414224 in words is "thirty-one trillion, two hundred twenty-four billion, forty-three million, four hundred fourteen thousand, two hundred twenty-four".
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