Base | Representation |
---|---|
bin | 1100010101110001100… |
… | …0011111000110100111 |
3 | 202021012212122112100101 |
4 | 3011130120133012213 |
5 | 11433140322221411 |
6 | 241220514524531 |
7 | 21213432326503 |
oct | 3053430370647 |
9 | 667185575311 |
10 | 212003320231 |
11 | 81a0139036a |
12 | 35107596747 |
13 | 16cb8077021 |
14 | a392325303 |
15 | 57ac14d8c1 |
hex | 315c61f1a7 |
212003320231 has 8 divisors (see below), whose sum is σ = 224481595104. Its totient is φ = 199525877760.
The previous prime is 212003320229. The next prime is 212003320283. The reversal of 212003320231 is 132023300212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212003320231 - 21 = 212003320229 is a prime.
It is a super-2 number, since 2×2120033202312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 212003320199 and 212003320208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212003320031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360711 + ... + 744391.
It is an arithmetic number, because the mean of its divisors is an integer number (28060199388).
Almost surely, 2212003320231 is an apocalyptic number.
212003320231 is a deficient number, since it is larger than the sum of its proper divisors (12478274873).
212003320231 is a wasteful number, since it uses less digits than its factorization.
212003320231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416201.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 212003320231 its reverse (132023300212), we get a palindrome (344026620443).
The spelling of 212003320231 in words is "two hundred twelve billion, three million, three hundred twenty thousand, two hundred thirty-one".
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