Base | Representation |
---|---|
bin | 11100111001000101… |
… | …001110111001011100 |
3 | 2222002000012110001000 |
4 | 130321011032321130 |
5 | 1002013221202444 |
6 | 22130154350300 |
7 | 2145523265340 |
oct | 347105167134 |
9 | 88060173030 |
10 | 31022444124 |
11 | 1217a3a7481 |
12 | 601942b390 |
13 | 2c05160019 |
14 | 1704159620 |
15 | c18790469 |
hex | 73914ee5c |
31022444124 has 192 divisors, whose sum is σ = 96188538880. Its totient is φ = 8459665920.
The previous prime is 31022444119. The next prime is 31022444153. The reversal of 31022444124 is 42144422013.
31022444124 is a `hidden beast` number, since 3 + 1 + 0 + 2 + 244 + 412 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1701762 + ... + 1719894.
Almost surely, 231022444124 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 31022444124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48094269440).
31022444124 is an abundant number, since it is smaller than the sum of its proper divisors (65166094756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31022444124 is a wasteful number, since it uses less digits than its factorization.
31022444124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18257 (or 18249 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 31022444124 its reverse (42144422013), we get a palindrome (73166866137).
The spelling of 31022444124 in words is "thirty-one billion, twenty-two million, four hundred forty-four thousand, one hundred twenty-four".
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