Base | Representation |
---|---|
bin | 111111001111011011… |
… | …001001110111101100 |
3 | 20111021101022121000020 |
4 | 333033123021313230 |
5 | 2103032023331333 |
6 | 51110033202140 |
7 | 4622510552433 |
oct | 771733116754 |
9 | 214241277006 |
10 | 67904511468 |
11 | 26886365572 |
12 | 111b1100350 |
13 | 6532279101 |
14 | 34025c211a |
15 | 1b7668a3b3 |
hex | fcf6c9dec |
67904511468 has 48 divisors (see below), whose sum is σ = 158725644000. Its totient is φ = 22594627584.
The previous prime is 67904511461. The next prime is 67904511487. The reversal of 67904511468 is 86411540976.
It is a super-2 number, since 2×679045114682 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 67904511468.
It is not an unprimeable number, because it can be changed into a prime (67904511461) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24700158 + ... + 24702906.
It is an arithmetic number, because the mean of its divisors is an integer number (3306784250).
Almost surely, 267904511468 is an apocalyptic number.
It is an amenable number.
67904511468 is an abundant number, since it is smaller than the sum of its proper divisors (90821132532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67904511468 is a wasteful number, since it uses less digits than its factorization.
67904511468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5666 (or 5664 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 51.
The spelling of 67904511468 in words is "sixty-seven billion, nine hundred four million, five hundred eleven thousand, four hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •