Base | Representation |
---|---|
bin | 111111001110010100… |
… | …110010111011001000 |
3 | 20111020002121112111121 |
4 | 333032110302323020 |
5 | 2103012313124100 |
6 | 51104134005024 |
7 | 4622165023564 |
oct | 771624627310 |
9 | 214202545447 |
10 | 67886067400 |
11 | 26876a08238 |
12 | 111a6aa6774 |
13 | 652b4bbc68 |
14 | 33ddd806a4 |
15 | 1b74c4551a |
hex | fce532ec8 |
67886067400 has 24 divisors (see below), whose sum is σ = 157835107170. Its totient is φ = 27154426880.
The previous prime is 67886067391. The next prime is 67886067401. The reversal of 67886067400 is 476068876.
It can be written as a sum of positive squares in 3 ways, for example, as 50051533284 + 17834534116 = 223722^2 + 133546^2 .
It is not an unprimeable number, because it can be changed into a prime (67886067401) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169714969 + ... + 169715368.
Almost surely, 267886067400 is an apocalyptic number.
It is an amenable number.
67886067400 is an abundant number, since it is smaller than the sum of its proper divisors (89949039770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67886067400 is a wasteful number, since it uses less digits than its factorization.
67886067400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339430353 (or 339430344 counting only the distinct ones).
The product of its (nonzero) digits is 2709504, while the sum is 52.
The spelling of 67886067400 in words is "sixty-seven billion, eight hundred eighty-six million, sixty-seven thousand, four hundred".
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