Base | Representation |
---|---|
bin | 11010010100010010111… |
… | …01010011100110111001 |
3 | 10012110000200120112201111 |
4 | 31022021131103212321 |
5 | 104303400304340431 |
6 | 1531223440320321 |
7 | 122221066113400 |
oct | 15121135234671 |
9 | 3173020515644 |
10 | 904249293241 |
11 | 319543174798 |
12 | 1272bb3130a1 |
13 | 67368c335c8 |
14 | 31aa18b0637 |
15 | 187c55e67b1 |
hex | d2897539b9 |
904249293241 has 6 divisors (see below), whose sum is σ = 1051881830970. Its totient is φ = 775070822736.
The previous prime is 904249293229. The next prime is 904249293257. The reversal of 904249293241 is 142392942409.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 880106659600 + 24142633641 = 938140^2 + 155379^2 .
It is a de Polignac number, because none of the positive numbers 2k-904249293241 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 18454067209 = 904249293241 / (9 + 0 + 4 + 2 + 4 + 9 + 2 + 9 + 3 + 2 + 4 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (904249293221) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9227033556 + ... + 9227033653.
It is an arithmetic number, because the mean of its divisors is an integer number (175313638495).
Almost surely, 2904249293241 is an apocalyptic number.
It is an amenable number.
904249293241 is a deficient number, since it is larger than the sum of its proper divisors (147632537729).
904249293241 is a wasteful number, since it uses less digits than its factorization.
904249293241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18454067223 (or 18454067216 counting only the distinct ones).
The product of its (nonzero) digits is 1119744, while the sum is 49.
The spelling of 904249293241 in words is "nine hundred four billion, two hundred forty-nine million, two hundred ninety-three thousand, two hundred forty-one".
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