Base | Representation |
---|---|
bin | 10010101011110100… |
… | …00001111000101110 |
3 | 221220002111021020102 |
4 | 21111322001320232 |
5 | 131020442210110 |
6 | 4335215351102 |
7 | 503403610202 |
oct | 112572017056 |
9 | 27802437212 |
10 | 10031210030 |
11 | 42883a1626 |
12 | 1b3b522492 |
13 | c3b2c714a |
14 | 6b2368b02 |
15 | 3da9c55a5 |
hex | 255e81e2e |
10031210030 has 16 divisors (see below), whose sum is σ = 18064093824. Its totient is φ = 4010724960.
The previous prime is 10031210027. The next prime is 10031210069. The reversal of 10031210030 is 3001213001.
10031210030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 10031209993 and 10031210020.
It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 195806 + ... + 241665.
It is an arithmetic number, because the mean of its divisors is an integer number (1129005864).
Almost surely, 210031210030 is an apocalyptic number.
10031210030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10031210030 is a deficient number, since it is larger than the sum of its proper divisors (8032883794).
10031210030 is a wasteful number, since it uses less digits than its factorization.
10031210030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439771.
The product of its (nonzero) digits is 18, while the sum is 11.
Adding to 10031210030 its reverse (3001213001), we get a palindrome (13032423031).
The spelling of 10031210030 in words is "ten billion, thirty-one million, two hundred ten thousand, thirty".
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