Base | Representation |
---|---|
bin | 11101000110101001… |
… | …010010100110111100 |
3 | 2222122212101111110010 |
4 | 131012221102212330 |
5 | 1003000000002231 |
6 | 22204523543220 |
7 | 2154255422433 |
oct | 350651224674 |
9 | 88585344403 |
10 | 31250000316 |
11 | 122868a0847 |
12 | 608168ab10 |
13 | 2c40344b62 |
14 | 172647211a |
15 | c2d73e546 |
hex | 746a529bc |
31250000316 has 48 divisors (see below), whose sum is σ = 73428507936. Its totient is φ = 10343633664.
The previous prime is 31250000269. The next prime is 31250000317. The reversal of 31250000316 is 61300005213.
It is a junction number, because it is equal to n+sod(n) for n = 31250000292 and 31250000301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31250000317) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3531850 + ... + 3540686.
It is an arithmetic number, because the mean of its divisors is an integer number (1529760582).
Almost surely, 231250000316 is an apocalyptic number.
It is an amenable number.
31250000316 is an abundant number, since it is smaller than the sum of its proper divisors (42178507620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31250000316 is a wasteful number, since it uses less digits than its factorization.
31250000316 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10878 (or 10876 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 21.
Adding to 31250000316 its reverse (61300005213), we get a palindrome (92550005529).
The spelling of 31250000316 in words is "thirty-one billion, two hundred fifty million, three hundred sixteen", and thus it is an aban number.
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