Base | Representation |
---|---|
bin | 10000110110110000… |
… | …10011111011001011 |
3 | 212100122211200121011 |
4 | 20123120103323023 |
5 | 122013104324431 |
6 | 4053541424351 |
7 | 440151500641 |
oct | 103330237313 |
9 | 25318750534 |
10 | 9049292491 |
11 | 39240a9428 |
12 | 190670b0b7 |
13 | b12a4b655 |
14 | 61bba7191 |
15 | 37e6b6cb1 |
hex | 21b613ecb |
9049292491 has 16 divisors (see below), whose sum is σ = 10131948288. Its totient is φ = 8041190400.
The previous prime is 9049292479. The next prime is 9049292519. The reversal of 9049292491 is 1942929409.
It is a happy number.
It is not a de Polignac number, because 9049292491 - 27 = 9049292363 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9049292411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187800 + ... + 231013.
It is an arithmetic number, because the mean of its divisors is an integer number (633246768).
Almost surely, 29049292491 is an apocalyptic number.
9049292491 is a deficient number, since it is larger than the sum of its proper divisors (1082655797).
9049292491 is a wasteful number, since it uses less digits than its factorization.
9049292491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 418902.
The product of its (nonzero) digits is 419904, while the sum is 49.
The square root of 9049292491 is about 95127.7692947753. The cubic root of 9049292491 is about 2083.8744116580.
The spelling of 9049292491 in words is "nine billion, forty-nine million, two hundred ninety-two thousand, four hundred ninety-one".
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