Base | Representation |
---|---|
bin | 111111001111001010… |
… | …010011101100110000 |
3 | 20111021002000020010201 |
4 | 333033022103230300 |
5 | 2103024411022110 |
6 | 51105354404544 |
7 | 4622425200313 |
oct | 771712235460 |
9 | 214232006121 |
10 | 67900095280 |
11 | 26883919626 |
12 | 111ab730754 |
13 | 6531390c94 |
14 | 3401b9297a |
15 | 1b760b6b3a |
hex | fcf293b30 |
67900095280 has 20 divisors (see below), whose sum is σ = 157867721712. Its totient is φ = 27160038080.
The previous prime is 67900095229. The next prime is 67900095281. The reversal of 67900095280 is 8259000976.
It is a tau number, because it is divible by the number of its divisors (20).
It is a super-2 number, since 2×679000952802 (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 67900095280.
It is not an unprimeable number, because it can be changed into a prime (67900095281) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424375516 + ... + 424375675.
Almost surely, 267900095280 is an apocalyptic number.
It is an amenable number.
67900095280 is an abundant number, since it is smaller than the sum of its proper divisors (89967626432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67900095280 is a wasteful number, since it uses less digits than its factorization.
67900095280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 848751204 (or 848751198 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 46.
The spelling of 67900095280 in words is "sixty-seven billion, nine hundred million, ninety-five thousand, two hundred eighty".
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