Base | Representation |
---|---|
bin | 111011101011111… |
… | …1101001001101101 |
3 | 12011120120011212212 |
4 | 1313113331021231 |
5 | 13100202042433 |
6 | 530422140205 |
7 | 100426152125 |
oct | 16727751155 |
9 | 5146504785 |
10 | 2002768493 |
11 | 938568680 |
12 | 47a881665 |
13 | 25bc0651b |
14 | 14ddb9c85 |
15 | bac5cd48 |
hex | 775fd26d |
2002768493 has 8 divisors (see below), whose sum is σ = 2279831616. Its totient is φ = 1741537600.
The previous prime is 2002768483. The next prime is 2002768499. The reversal of 2002768493 is 3948672002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2002768493 - 24 = 2002768477 is a prime.
It is a super-2 number, since 2×20027684932 = 8022163273106982098, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2002768493.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2002768499) 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, 3957788 + ... + 3958293.
It is an arithmetic number, because the mean of its divisors is an integer number (284978952).
Almost surely, 22002768493 is an apocalyptic number.
2002768493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
2002768493 is a deficient number, since it is larger than the sum of its proper divisors (277063123).
2002768493 is a wasteful number, since it uses less digits than its factorization.
2002768493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7916115.
The product of its (nonzero) digits is 145152, while the sum is 41.
The square root of 2002768493 is about 44752.3015385801. The cubic root of 2002768493 is about 1260.5021289596.
The spelling of 2002768493 in words is "two billion, two million, seven hundred sixty-eight thousand, four hundred ninety-three".
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