Base | Representation |
---|---|
bin | 100000100011000000… |
… | …0110001111010000000 |
3 | 20200102001001110112221 |
4 | 1001012000301322000 |
5 | 2121120341230042 |
6 | 52035304500424 |
7 | 5023016634163 |
oct | 1010600617200 |
9 | 220361043487 |
10 | 69894086272 |
11 | 2770743156a |
12 | 1166747a714 |
13 | 678b5131ca |
14 | 3550925ada |
15 | 1c4118dd67 |
hex | 1046031e80 |
69894086272 has 32 divisors (see below), whose sum is σ = 140338552320. Its totient is φ = 34671861504.
The previous prime is 69894086257. The next prime is 69894086309. The reversal of 69894086272 is 27268049896.
It is a tau number, because it is divible by the number of its divisors (32).
It is a self number, because there is not a number n which added to its sum of digits gives 69894086272.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2133538 + ... + 2166049.
It is an arithmetic number, because the mean of its divisors is an integer number (4385579760).
Almost surely, 269894086272 is an apocalyptic number.
It is an amenable number.
69894086272 is an abundant number, since it is smaller than the sum of its proper divisors (70444466048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69894086272 is a wasteful number, since it uses less digits than its factorization.
69894086272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4299728 (or 4299716 counting only the distinct ones).
The product of its (nonzero) digits is 20901888, while the sum is 61.
The spelling of 69894086272 in words is "sixty-nine billion, eight hundred ninety-four million, eighty-six thousand, two hundred seventy-two".
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