Base | Representation |
---|---|
bin | 1000010110100… |
… | …10100110110101 |
3 | 11212211212010121 |
4 | 10023102212311 |
5 | 120414144121 |
6 | 10541451541 |
7 | 1510400545 |
oct | 413224665 |
9 | 155755117 |
10 | 70068661 |
11 | 36608693 |
12 | 1b570bb1 |
13 | 11693b60 |
14 | 943d325 |
15 | 6241141 |
hex | 42d29b5 |
70068661 has 8 divisors (see below), whose sum is σ = 75529440. Its totient is φ = 64618032.
The previous prime is 70068659. The next prime is 70068671. The reversal of 70068661 is 16686007.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70068661 - 21 = 70068659 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70068601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18030 + ... + 21568.
It is an arithmetic number, because the mean of its divisors is an integer number (9441180).
Almost surely, 270068661 is an apocalyptic number.
It is an amenable number.
70068661 is a deficient number, since it is larger than the sum of its proper divisors (5460779).
70068661 is a wasteful number, since it uses less digits than its factorization.
70068661 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5075.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 70068661 is about 8370.7025392138. The cubic root of 70068661 is about 412.2632343146.
The spelling of 70068661 in words is "seventy million, sixty-eight thousand, six hundred sixty-one".
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