Base | Representation |
---|---|
bin | 1100001110011011010… |
… | …0110011100000001010 |
3 | 202002010102102220222100 |
4 | 3003212310303200022 |
5 | 11420120421013310 |
6 | 240253101534230 |
7 | 21113523214140 |
oct | 3034664634012 |
9 | 662112386870 |
10 | 210031032330 |
11 | 8108a051269 |
12 | 34856b74376 |
13 | 16a62583472 |
14 | a246401590 |
15 | 56e3e11ec0 |
hex | 30e6d3380a |
210031032330 has 96 divisors (see below), whose sum is σ = 627700005504. Its totient is φ = 47729570688.
The previous prime is 210031032311. The next prime is 210031032349. The reversal of 210031032330 is 33230130012.
210031032330 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 310 + 323 + 30 = 666.
It is an interprime number because it is at equal distance from previous prime (210031032311) and next prime (210031032349).
It is a super-2 number, since 2×2100310323302 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
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 47 ways as a sum of consecutive naturals, for example, 854544 + ... + 1072523.
It is an arithmetic number, because the mean of its divisors is an integer number (6538541724).
Almost surely, 2210031032330 is an apocalyptic number.
210031032330 is an abundant number, since it is smaller than the sum of its proper divisors (417668973174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210031032330 is a wasteful number, since it uses less digits than its factorization.
210031032330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1927260 (or 1927257 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 210031032330 its reverse (33230130012), we get a palindrome (243261162342).
The spelling of 210031032330 in words is "two hundred ten billion, thirty-one million, thirty-two thousand, three hundred thirty".
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