Base | Representation |
---|---|
bin | 111110011100000011… |
… | …110001111001111000 |
3 | 20102001022202100222210 |
4 | 332130003301321320 |
5 | 2044300420332401 |
6 | 50444330415120 |
7 | 4562244636543 |
oct | 763403617170 |
9 | 212038670883 |
10 | 67042745976 |
11 | 26483978388 |
12 | 10bb05914a0 |
13 | 642587b7bb |
14 | 335dd7985a |
15 | 1b25bb24d6 |
hex | f9c0f1e78 |
67042745976 has 32 divisors (see below), whose sum is σ = 169144549200. Its totient is φ = 22142557440.
The previous prime is 67042745971. The next prime is 67042745989. The reversal of 67042745976 is 67954724076.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67042745971) 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, 12811365 + ... + 12816596.
Almost surely, 267042745976 is an apocalyptic number.
It is an amenable number.
67042745976 is an abundant number, since it is smaller than the sum of its proper divisors (102101803224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67042745976 is a wasteful number, since it uses less digits than its factorization.
67042745976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25628079 (or 25628075 counting only the distinct ones).
The product of its (nonzero) digits is 17781120, while the sum is 57.
The spelling of 67042745976 in words is "sixty-seven billion, forty-two million, seven hundred forty-five thousand, nine hundred seventy-six".
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