Base | Representation |
---|---|
bin | 1100010110111000101… |
… | …1111100010110001111 |
3 | 202021222200201011012000 |
4 | 3011232023330112033 |
5 | 11434243304201111 |
6 | 241310305043343 |
7 | 21224020261311 |
oct | 3055613742617 |
9 | 667880634160 |
10 | 212302022031 |
11 | 82044a58460 |
12 | 3518b626553 |
13 | 17034c0bc58 |
14 | a3bdc7b7b1 |
15 | 57c84a2c56 |
hex | 316e2fc58f |
212302022031 has 64 divisors (see below), whose sum is σ = 360178237440. Its totient is φ = 122336010720.
The previous prime is 212302021979. The next prime is 212302022089. The reversal of 212302022031 is 130220203212.
It is not a de Polignac number, because 212302022031 - 210 = 212302021007 is a prime.
It is a super-2 number, since 2×2123020220312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 212302021995 and 212302022013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212302022431) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1047726 + ... + 1233828.
It is an arithmetic number, because the mean of its divisors is an integer number (5627784960).
Almost surely, 2212302022031 is an apocalyptic number.
212302022031 is a deficient number, since it is larger than the sum of its proper divisors (147876215409).
212302022031 is a wasteful number, since it uses less digits than its factorization.
212302022031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186313 (or 186307 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 212302022031 its reverse (130220203212), we get a palindrome (342522225243).
The spelling of 212302022031 in words is "two hundred twelve billion, three hundred two million, twenty-two thousand, thirty-one".
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