Base | Representation |
---|---|
bin | 1100010110000110011… |
… | …0110000010011010001 |
3 | 202021102222112102100201 |
4 | 3011201212300103101 |
5 | 11433330240244034 |
6 | 241233325015201 |
7 | 21215545205452 |
oct | 3054146602321 |
9 | 667388472321 |
10 | 212090946769 |
11 | 81a468a0499 |
12 | 351309b4501 |
13 | 17000277850 |
14 | a39dc15129 |
15 | 57b4bac014 |
hex | 31619b04d1 |
212090946769 has 8 divisors (see below), whose sum is σ = 228525433920. Its totient is φ = 195673573776.
The previous prime is 212090946751. The next prime is 212090946779. The reversal of 212090946769 is 967649090212.
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 212090946769 - 29 = 212090946257 is a prime.
It is a super-2 number, since 2×2120909467692 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212090946779) 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, 4252789 + ... + 4302370.
It is an arithmetic number, because the mean of its divisors is an integer number (28565679240).
Almost surely, 2212090946769 is an apocalyptic number.
It is an amenable number.
212090946769 is a deficient number, since it is larger than the sum of its proper divisors (16434487151).
212090946769 is a wasteful number, since it uses less digits than its factorization.
212090946769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8557079.
The product of its (nonzero) digits is 2939328, while the sum is 55.
The spelling of 212090946769 in words is "two hundred twelve billion, ninety million, nine hundred forty-six thousand, seven hundred sixty-nine".
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