Base | Representation |
---|---|
bin | 111111000001000101… |
… | …100011111011011010 |
3 | 20110122121200211011100 |
4 | 333001011203323122 |
5 | 2102033434020020 |
6 | 51030121412230 |
7 | 4613530153410 |
oct | 770105437332 |
9 | 213577624140 |
10 | 67663970010 |
11 | 2677260217a |
12 | 1114463a076 |
13 | 64c44989a0 |
14 | 33bc6892b0 |
15 | 1b604c3a90 |
hex | fc1163eda |
67663970010 has 768 divisors, whose sum is σ = 241472544768. Its totient is φ = 12740198400.
The previous prime is 67663969981. The next prime is 67663970021. The reversal of 67663970010 is 1007936676.
67663970010 is a `hidden beast` number, since 6 + 7 + 6 + 639 + 7 + 0 + 0 + 1 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 263283802 + ... + 263284058.
It is an arithmetic number, because the mean of its divisors is an integer number (314417376).
Almost surely, 267663970010 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67663970010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120736272384).
67663970010 is an abundant number, since it is smaller than the sum of its proper divisors (173808574758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67663970010 is a wasteful number, since it uses less digits than its factorization.
67663970010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 399 (or 396 counting only the distinct ones).
The product of its (nonzero) digits is 285768, while the sum is 45.
The spelling of 67663970010 in words is "sixty-seven billion, six hundred sixty-three million, nine hundred seventy thousand, ten".
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