Base | Representation |
---|---|
bin | 111111001110110010… |
… | …100001101011010100 |
3 | 20111020122021111102021 |
4 | 333032302201223110 |
5 | 2103021312023301 |
6 | 51105013022524 |
7 | 4622321203636 |
oct | 771662415324 |
9 | 214218244367 |
10 | 67893861076 |
11 | 26880350798 |
12 | 111a9624a44 |
13 | 652ccba4c2 |
14 | 340100ca56 |
15 | 1b757848a1 |
hex | fceca1ad4 |
67893861076 has 12 divisors (see below), whose sum is σ = 120762032020. Its totient is φ = 33390423360.
The previous prime is 67893861041. The next prime is 67893861083. The reversal of 67893861076 is 67016839876.
It can be written as a sum of positive squares in 2 ways, for example, as 13334244676 + 54559616400 = 115474^2 + 233580^2 .
It is a Harshad number since it is a multiple of its sum of digits (61).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139126521 + ... + 139127008.
Almost surely, 267893861076 is an apocalyptic number.
It is an amenable number.
67893861076 is a deficient number, since it is larger than the sum of its proper divisors (52868170944).
67893861076 is a wasteful number, since it uses less digits than its factorization.
67893861076 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278253594 (or 278253592 counting only the distinct ones).
The product of its (nonzero) digits is 18289152, while the sum is 61.
The spelling of 67893861076 in words is "sixty-seven billion, eight hundred ninety-three million, eight hundred sixty-one thousand, seventy-six".
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