Base | Representation |
---|---|
bin | 11101001001101011… |
… | …110110001110010010 |
3 | 2222210102100122210012 |
4 | 131021223312032102 |
5 | 1003101024032010 |
6 | 22213545034522 |
7 | 2155445061656 |
oct | 351153661622 |
9 | 88712318705 |
10 | 31301002130 |
11 | 12302666202 |
12 | 6096785a42 |
13 | 2c4aa91248 |
14 | 172d14aa66 |
15 | c32e66005 |
hex | 749af6392 |
31301002130 has 16 divisors (see below), whose sum is σ = 56357814744. Its totient is φ = 12516842880.
The previous prime is 31301002121. The next prime is 31301002153. The reversal of 31301002130 is 3120010313.
It can be written as a sum of positive squares in 4 ways, for example, as 19234638721 + 12066363409 = 138689^2 + 109847^2 .
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 407651 + ... + 478310.
Almost surely, 231301002130 is an apocalyptic number.
31301002130 is a deficient number, since it is larger than the sum of its proper divisors (25056812614).
31301002130 is a wasteful number, since it uses less digits than its factorization.
31301002130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 889501.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 31301002130 its reverse (3120010313), we get a palindrome (34421012443).
The spelling of 31301002130 in words is "thirty-one billion, three hundred one million, two thousand, one hundred thirty".
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