Base | Representation |
---|---|
bin | 1001001010011000… |
… | …11100111100011000 |
3 | 110200210221111202210 |
4 | 10211030130330120 |
5 | 40033230113233 |
6 | 2132034555120 |
7 | 232616466354 |
oct | 44514347430 |
9 | 13623844683 |
10 | 4918988568 |
11 | 20a4705a0a |
12 | b53438aa0 |
13 | 605136030 |
14 | 349414464 |
15 | 1dbca3163 |
hex | 12531cf18 |
4918988568 has 32 divisors (see below), whose sum is σ = 13243431600. Its totient is φ = 1513534848.
The previous prime is 4918988567. The next prime is 4918988579. The reversal of 4918988568 is 8658898194.
It is a happy number.
It is a super-2 number, since 2×49189885682 = 48392897064229381248, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 4918988499 and 4918988508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4918988563) 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, 7882683 + ... + 7883306.
Almost surely, 24918988568 is an apocalyptic number.
It is an amenable number.
4918988568 is an abundant number, since it is smaller than the sum of its proper divisors (8324443032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4918988568 is a wasteful number, since it uses less digits than its factorization.
4918988568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15766011 (or 15766007 counting only the distinct ones).
The product of its digits is 39813120, while the sum is 66.
The square root of 4918988568 is about 70135.5014810616. The cubic root of 4918988568 is about 1700.6904424966.
The spelling of 4918988568 in words is "four billion, nine hundred eighteen million, nine hundred eighty-eight thousand, five hundred sixty-eight".
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