Base | Representation |
---|---|
bin | 11101010000011000… |
… | …000010100000000100 |
3 | 10000002020120102222122 |
4 | 131100120002200010 |
5 | 1003313243000202 |
6 | 22233034545112 |
7 | 2161310135252 |
oct | 352030024004 |
9 | 100066512878 |
10 | 31413250052 |
11 | 1235aa62788 |
12 | 6108298198 |
13 | 2c68102832 |
14 | 17400095d2 |
15 | c3cc399a2 |
hex | 750602804 |
31413250052 has 12 divisors (see below), whose sum is σ = 55374452700. Its totient is φ = 15591977856.
The previous prime is 31413250049. The next prime is 31413250061. The reversal of 31413250052 is 25005231413.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 23647058176 + 7766191876 = 153776^2 + 88126^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28661177 + ... + 28662272.
It is an arithmetic number, because the mean of its divisors is an integer number (4614537725).
Almost surely, 231413250052 is an apocalyptic number.
It is an amenable number.
31413250052 is a deficient number, since it is larger than the sum of its proper divisors (23961202648).
31413250052 is a wasteful number, since it uses less digits than its factorization.
31413250052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57323590 (or 57323588 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 26.
Adding to 31413250052 its reverse (25005231413), we get a palindrome (56418481465).
The spelling of 31413250052 in words is "thirty-one billion, four hundred thirteen million, two hundred fifty thousand, fifty-two".
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