Base | Representation |
---|---|
bin | 1110010000101111110… |
… | …11011011110000000111 |
3 | 1201211211212121210121122 |
4 | 13020113323123300013 |
5 | 31012034044243004 |
6 | 1013040550504155 |
7 | 50255225650604 |
oct | 7102773336007 |
9 | 1654755553548 |
10 | 490027727879 |
11 | 179901971898 |
12 | 7ab7936505b |
13 | 3729511b341 |
14 | 19a08a3b6ab |
15 | cb30400cbe |
hex | 7217edbc07 |
490027727879 has 4 divisors (see below), whose sum is σ = 490488714576. Its totient is φ = 489566741184.
The previous prime is 490027727857. The next prime is 490027727909. The reversal of 490027727879 is 978727720094.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-490027727879 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490027727479) 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, 230491754 + ... + 230493879.
It is an arithmetic number, because the mean of its divisors is an integer number (122622178644).
Almost surely, 2490027727879 is an apocalyptic number.
490027727879 is a deficient number, since it is larger than the sum of its proper divisors (460986697).
490027727879 is a wasteful number, since it uses less digits than its factorization.
490027727879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 460986696.
The product of its (nonzero) digits is 24893568, while the sum is 62.
The spelling of 490027727879 in words is "four hundred ninety billion, twenty-seven million, seven hundred twenty-seven thousand, eight hundred seventy-nine".
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