Base | Representation |
---|---|
bin | 10001011110011110… |
… | …100110001101010110 |
3 | 1210102202120010211120 |
4 | 101132132212031112 |
5 | 301412311321220 |
6 | 12342005544410 |
7 | 1233004300053 |
oct | 213636461526 |
9 | 53382503746 |
10 | 18764948310 |
11 | 7a5a362449 |
12 | 3778415106 |
13 | 1a00860014 |
14 | ca027002a |
15 | 74c609a40 |
hex | 45e7a6356 |
18764948310 has 16 divisors (see below), whose sum is σ = 45035876016. Its totient is φ = 5003986208.
The previous prime is 18764948299. The next prime is 18764948311. The reversal of 18764948310 is 1384946781.
It is a super-2 number, since 2×187649483102 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18764948311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312749109 + ... + 312749168.
It is an arithmetic number, because the mean of its divisors is an integer number (2814742251).
Almost surely, 218764948310 is an apocalyptic number.
18764948310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18764948310 is an abundant number, since it is smaller than the sum of its proper divisors (26270927706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18764948310 is a wasteful number, since it uses less digits than its factorization.
18764948310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 625498287.
The product of its (nonzero) digits is 1161216, while the sum is 51.
The spelling of 18764948310 in words is "eighteen billion, seven hundred sixty-four million, nine hundred forty-eight thousand, three hundred ten".
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