Base | Representation |
---|---|
bin | 100001111011000110… |
… | …1011011001000010110 |
3 | 20222001001111010201102 |
4 | 1003312031123020112 |
5 | 2143144122101440 |
6 | 53244504230102 |
7 | 5156203256012 |
oct | 1036615331026 |
9 | 228031433642 |
10 | 72850190870 |
11 | 28994040716 |
12 | 1215146b332 |
13 | 6b3ca98b22 |
14 | 3751383542 |
15 | 1d65961b15 |
hex | 10f635b216 |
72850190870 has 16 divisors (see below), whose sum is σ = 131133619008. Its totient is φ = 29139348480.
The previous prime is 72850190851. The next prime is 72850190879. The reversal of 72850190870 is 7809105827.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72850190879) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533462 + ... + 655958.
It is an arithmetic number, because the mean of its divisors is an integer number (8195851188).
Almost surely, 272850190870 is an apocalyptic number.
72850190870 is a deficient number, since it is larger than the sum of its proper divisors (58283428138).
72850190870 is a wasteful number, since it uses less digits than its factorization.
72850190870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181975.
The product of its (nonzero) digits is 282240, while the sum is 47.
The spelling of 72850190870 in words is "seventy-two billion, eight hundred fifty million, one hundred ninety thousand, eight hundred seventy".
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