Base | Representation |
---|---|
bin | 1001001010110010100… |
… | …10001001011110101010 |
3 | 1010010011000112200112010 |
4 | 10211121102021132222 |
5 | 20130140304323000 |
6 | 400420101500350 |
7 | 31521515266254 |
oct | 4453122113652 |
9 | 1103130480463 |
10 | 315030542250 |
11 | 11167058a146 |
12 | 5107b1116b6 |
13 | 23926aac6a8 |
14 | 11367436cd4 |
15 | 82dc007d50 |
hex | 49594897aa |
315030542250 has 32 divisors (see below), whose sum is σ = 786316235328. Its totient is φ = 84008144400.
The previous prime is 315030542237. The next prime is 315030542269. The reversal of 315030542250 is 52245030513.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 210019612 + ... + 210021111.
It is an arithmetic number, because the mean of its divisors is an integer number (24572382354).
Almost surely, 2315030542250 is an apocalyptic number.
315030542250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
315030542250 is an abundant number, since it is smaller than the sum of its proper divisors (471285693078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315030542250 is a wasteful number, since it uses less digits than its factorization.
315030542250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420040743 (or 420040733 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 30.
Adding to 315030542250 its reverse (52245030513), we get a palindrome (367275572763).
The spelling of 315030542250 in words is "three hundred fifteen billion, thirty million, five hundred forty-two thousand, two hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •