Base | Representation |
---|---|
bin | 100000101100110111… |
… | …1011001001000011100 |
3 | 20201021002212022112100 |
4 | 1001121233121020130 |
5 | 2122310104311133 |
6 | 52132211005100 |
7 | 5034146161122 |
oct | 1013157311034 |
9 | 221232768470 |
10 | 70225072668 |
11 | 2786724a543 |
12 | 1173a299790 |
13 | 6811c6cc4a |
14 | 3582883912 |
15 | 1c6026de13 |
hex | 1059bd921c |
70225072668 has 36 divisors (see below), whose sum is σ = 177523557120. Its totient is φ = 23407015296.
The previous prime is 70225072661. The next prime is 70225072703. The reversal of 70225072668 is 86627052207.
It is a tau number, because it is divible by the number of its divisors (36).
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70225072661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733093 + ... + 823331.
It is an arithmetic number, because the mean of its divisors is an integer number (4931209920).
Almost surely, 270225072668 is an apocalyptic number.
It is an amenable number.
70225072668 is an abundant number, since it is smaller than the sum of its proper divisors (107298484452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70225072668 is a wasteful number, since it uses less digits than its factorization.
70225072668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111866 (or 111861 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
The spelling of 70225072668 in words is "seventy billion, two hundred twenty-five million, seventy-two thousand, six hundred sixty-eight".
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