Base | Representation |
---|---|
bin | 1001001010111100010… |
… | …01011011010011100100 |
3 | 1010010100201002101102000 |
4 | 10211132021123103210 |
5 | 20130322202021202 |
6 | 400432134445300 |
7 | 31523526004461 |
oct | 4453611332344 |
9 | 1103321071360 |
10 | 315112142052 |
11 | 1117026532a4 |
12 | 510a2503830 |
13 | 2393a97ccb6 |
14 | 113741d8668 |
15 | 82e427591c |
hex | 495e25b4e4 |
315112142052 has 48 divisors (see below), whose sum is σ = 865013728320. Its totient is φ = 98858710656.
The previous prime is 315112142027. The next prime is 315112142053. The reversal of 315112142052 is 250241211513.
It is a happy number.
315112142052 is a `hidden beast` number, since 3 + 1 + 511 + 2 + 142 + 0 + 5 + 2 = 666.
315112142052 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (315112142053) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 85813018 + ... + 85816689.
It is an arithmetic number, because the mean of its divisors is an integer number (18021119340).
Almost surely, 2315112142052 is an apocalyptic number.
It is an amenable number.
315112142052 is an abundant number, since it is smaller than the sum of its proper divisors (549901586268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315112142052 is a wasteful number, since it uses less digits than its factorization.
315112142052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171629737 (or 171629729 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
Adding to 315112142052 its reverse (250241211513), we get a palindrome (565353353565).
The spelling of 315112142052 in words is "three hundred fifteen billion, one hundred twelve million, one hundred forty-two thousand, fifty-two".
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