Base | Representation |
---|---|
bin | 1100001110011011010… |
… | …1011111100111100110 |
3 | 202002010102210002211221 |
4 | 3003212311133213212 |
5 | 11420120442304110 |
6 | 240253105450554 |
7 | 21113524566022 |
oct | 3034665374746 |
9 | 662112702757 |
10 | 210031213030 |
11 | 8108a165001 |
12 | 34857040a5a |
13 | 16a626177a2 |
14 | a24644b382 |
15 | 56e3e4a7da |
hex | 30e6d5f9e6 |
210031213030 has 64 divisors (see below), whose sum is σ = 402924715200. Its totient is φ = 78598840320.
The previous prime is 210031212949. The next prime is 210031213043. The reversal of 210031213030 is 30312130012.
It is a super-2 number, since 2×2100312130302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 210031212995 and 210031213013.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14416950 + ... + 14431510.
It is an arithmetic number, because the mean of its divisors is an integer number (6295698675).
Almost surely, 2210031213030 is an apocalyptic number.
210031213030 is a deficient number, since it is larger than the sum of its proper divisors (192893502170).
210031213030 is a wasteful number, since it uses less digits than its factorization.
210031213030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15529.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 210031213030 its reverse (30312130012), we get a palindrome (240343343042).
The spelling of 210031213030 in words is "two hundred ten billion, thirty-one million, two hundred thirteen thousand, thirty".
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