Base | Representation |
---|---|
bin | 11011101000000011111… |
… | …10110000001101000001 |
3 | 10100202002211202221202101 |
4 | 31310001332300031001 |
5 | 111023001034000001 |
6 | 2004022140150401 |
7 | 125402403242161 |
oct | 15640176601501 |
9 | 3322084687671 |
10 | 949221000001 |
11 | 33662056569a |
12 | 133b70238401 |
13 | 6b685019591 |
14 | 33d2a4965a1 |
15 | 19a587e6a01 |
hex | dd01fb0341 |
949221000001 has 8 divisors (see below), whose sum is σ = 953497140200. Its totient is φ = 944946000000.
The previous prime is 949220999917. The next prime is 949221000059. The reversal of 949221000001 is 100000122949.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 879656410000 + 69564590001 = 937900^2 + 263751^2 .
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 949221000001 - 213 = 949220991809 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (949221000901) 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, 1406251 + ... + 1968751.
It is an arithmetic number, because the mean of its divisors is an integer number (119187142525).
Almost surely, 2949221000001 is an apocalyptic number.
949221000001 is the 562501-st octagonal number.
It is an amenable number.
949221000001 is a deficient number, since it is larger than the sum of its proper divisors (4276140199).
949221000001 is a wasteful number, since it uses less digits than its factorization.
949221000001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 570099.
The product of its (nonzero) digits is 1296, while the sum is 28.
The spelling of 949221000001 in words is "nine hundred forty-nine billion, two hundred twenty-one million, one", and thus it is an aban number.
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