Base | Representation |
---|---|
bin | 11100111001100010… |
… | …000110000111011010 |
3 | 2222002112102211220212 |
4 | 130321202012013122 |
5 | 1002022140312310 |
6 | 22131024451122 |
7 | 2145644510264 |
oct | 347142060732 |
9 | 88075384825 |
10 | 31030010330 |
11 | 121836a5040 |
12 | 601ba79aa2 |
13 | 2c068abb77 |
14 | 1705168b34 |
15 | c19287205 |
hex | 7398861da |
31030010330 has 64 divisors (see below), whose sum is σ = 61681471488. Its totient is φ = 11145576960.
The previous prime is 31030010311. The next prime is 31030010351. The reversal of 31030010330 is 3301003013.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3250244 + ... + 3259776.
It is an arithmetic number, because the mean of its divisors is an integer number (963772992).
Almost surely, 231030010330 is an apocalyptic number.
31030010330 is a deficient number, since it is larger than the sum of its proper divisors (30651461158).
31030010330 is a wasteful number, since it uses less digits than its factorization.
31030010330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9911.
The product of its (nonzero) digits is 81, while the sum is 14.
Adding to 31030010330 its reverse (3301003013), we get a palindrome (34331013343).
The spelling of 31030010330 in words is "thirty-one billion, thirty million, ten thousand, three hundred thirty".
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