Base | Representation |
---|---|
bin | 1000100010001011111… |
… | …10111001000011101101 |
3 | 1001000212211112110011011 |
4 | 10101011332321003231 |
5 | 14301014331000134 |
6 | 342413041025221 |
7 | 30120362642224 |
oct | 4210576710355 |
9 | 1030784473134 |
10 | 293231890669 |
11 | 1033a4837613 |
12 | 489b6925211 |
13 | 218618976a3 |
14 | 1029a309cbb |
15 | 79633ed264 |
hex | 4445fb90ed |
293231890669 has 4 divisors (see below), whose sum is σ = 293235244480. Its totient is φ = 293228536860.
The previous prime is 293231890663. The next prime is 293231890759. The reversal of 293231890669 is 966098132392.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 293231890669 - 29 = 293231890157 is a prime.
It is a super-2 number, since 2×2932318906692 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (293231890663) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542147 + ... + 1721824.
It is an arithmetic number, because the mean of its divisors is an integer number (73308811120).
Almost surely, 2293231890669 is an apocalyptic number.
It is an amenable number.
293231890669 is a deficient number, since it is larger than the sum of its proper divisors (3353811).
293231890669 is an equidigital number, since it uses as much as digits as its factorization.
293231890669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3353810.
The product of its (nonzero) digits is 7558272, while the sum is 58.
The spelling of 293231890669 in words is "two hundred ninety-three billion, two hundred thirty-one million, eight hundred ninety thousand, six hundred sixty-nine".
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