Base | Representation |
---|---|
bin | 101000000001011111… |
… | …1111011111011000110 |
3 | 22012211222110011100222 |
4 | 1100002333323323012 |
5 | 2402011103121440 |
6 | 103252411304342 |
7 | 6131625030443 |
oct | 1200277737306 |
9 | 265758404328 |
10 | 85949660870 |
11 | 334a6385387 |
12 | 147a844b0b2 |
13 | 8149956cc8 |
14 | 42350029ca |
15 | 23809b12b5 |
hex | 1402ffbec6 |
85949660870 has 32 divisors (see below), whose sum is σ = 155706062400. Its totient is φ = 34159003776.
The previous prime is 85949660869. The next prime is 85949660887. The reversal of 85949660870 is 7806694958.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076696 + ... + 1153764.
It is an arithmetic number, because the mean of its divisors is an integer number (4865814450).
Almost surely, 285949660870 is an apocalyptic number.
85949660870 is a deficient number, since it is larger than the sum of its proper divisors (69756401530).
85949660870 is a wasteful number, since it uses less digits than its factorization.
85949660870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77792.
The product of its (nonzero) digits is 26127360, while the sum is 62.
The spelling of 85949660870 in words is "eighty-five billion, nine hundred forty-nine million, six hundred sixty thousand, eight hundred seventy".
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