Base | Representation |
---|---|
bin | 100000000001010011… |
… | …0101101010010001101 |
3 | 20120111020001101020000 |
4 | 1000002212231102031 |
5 | 2111311333200000 |
6 | 51331145314513 |
7 | 4653005240655 |
oct | 1000246552215 |
9 | 216436041200 |
10 | 68763178125 |
11 | 27187026534 |
12 | 113b0795a39 |
13 | 663b1300a5 |
14 | 348465d365 |
15 | 1bc6c50000 |
hex | 10029ad48d |
68763178125 has 60 divisors (see below), whose sum is σ = 128392633908. Its totient is φ = 36673560000.
The previous prime is 68763178109. The next prime is 68763178153. The reversal of 68763178125 is 52187136786.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 65506307364 + 3256870761 = 255942^2 + 57069^2 .
It is not a de Polignac number, because 68763178125 - 24 = 68763178109 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 117297 + ... + 388953.
Almost surely, 268763178125 is an apocalyptic number.
It is an amenable number.
68763178125 is a deficient number, since it is larger than the sum of its proper divisors (59629455783).
68763178125 is an frugal number, since it uses more digits than its factorization.
68763178125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 271694 (or 271665 counting only the distinct ones).
The product of its digits is 3386880, while the sum is 54.
The spelling of 68763178125 in words is "sixty-eight billion, seven hundred sixty-three million, one hundred seventy-eight thousand, one hundred twenty-five".
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