Base | Representation |
---|---|
bin | 101111101111111010000011… |
… | …000100110000000001111111 |
3 | 1000112112211120001212122010201 |
4 | 233233322003010300001333 |
5 | 210011121133441444411 |
6 | 2022344453024144331 |
7 | 62143010642130235 |
oct | 5757720304600177 |
9 | 1015484501778121 |
10 | 210000330031231 |
11 | 60a04704672753 |
12 | 1b6775797680a7 |
13 | 9023c3b8cb44c |
14 | 39c00da902955 |
15 | 19428cce743c1 |
hex | befe8313007f |
210000330031231 has 4 divisors (see below), whose sum is σ = 210000366823000. Its totient is φ = 210000293239464.
The previous prime is 210000330031213. The next prime is 210000330031319. The reversal of 210000330031231 is 132130033000012.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 210000330031231 - 211 = 210000330029183 is a prime.
It is a super-2 number, since 2×2100003300312312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 210000330031199 and 210000330031208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210000330031631) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7799661 + ... + 21927958.
It is an arithmetic number, because the mean of its divisors is an integer number (52500091705750).
Almost surely, 2210000330031231 is an apocalyptic number.
210000330031231 is a deficient number, since it is larger than the sum of its proper divisors (36791769).
210000330031231 is an equidigital number, since it uses as much as digits as its factorization.
210000330031231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36791768.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 210000330031231 its reverse (132130033000012), we get a palindrome (342130363031243).
The spelling of 210000330031231 in words is "two hundred ten trillion, three hundred thirty million, thirty-one thousand, two hundred thirty-one".
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