Base | Representation |
---|---|
bin | 11100111011000001… |
… | …011011010010000010 |
3 | 2222011021110111021100 |
4 | 130323001123102002 |
5 | 1002100040010311 |
6 | 22133320235230 |
7 | 2146400102442 |
oct | 347301332202 |
9 | 88137414240 |
10 | 31055000706 |
11 | 12196813744 |
12 | 602830bb16 |
13 | 2c0bb1b882 |
14 | 17085d2122 |
15 | c1b571a56 |
hex | 73b05b482 |
31055000706 has 24 divisors (see below), whose sum is σ = 70211306880. Its totient is φ = 9901594296.
The previous prime is 31055000701. The next prime is 31055000707. The reversal of 31055000706 is 60700055013.
It is a self number, because there is not a number n which added to its sum of digits gives 31055000706.
It is not an unprimeable number, because it can be changed into a prime (31055000701) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37505626 + ... + 37506453.
It is an arithmetic number, because the mean of its divisors is an integer number (2925471120).
Almost surely, 231055000706 is an apocalyptic number.
31055000706 is an abundant number, since it is smaller than the sum of its proper divisors (39156306174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31055000706 is a wasteful number, since it uses less digits than its factorization.
31055000706 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75012110 (or 75012107 counting only the distinct ones).
The product of its (nonzero) digits is 3150, while the sum is 27.
Adding to 31055000706 its reverse (60700055013), we get a palindrome (91755055719).
The spelling of 31055000706 in words is "thirty-one billion, fifty-five million, seven hundred six", and thus it is an aban number.
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