Base | Representation |
---|---|
bin | 10000100001101101… |
… | …10001100101010000 |
3 | 211220100121022220100 |
4 | 20100312301211100 |
5 | 121132404311122 |
6 | 4024233212400 |
7 | 432605644215 |
oct | 102066614520 |
9 | 24810538810 |
10 | 8872728912 |
11 | 3843473613 |
12 | 1877561100 |
13 | ab52ab968 |
14 | 602565b0c |
15 | 36de3baac |
hex | 210db1950 |
8872728912 has 30 divisors (see below), whose sum is σ = 24831318122. Its totient is φ = 2957576256.
The previous prime is 8872728899. The next prime is 8872728937. The reversal of 8872728912 is 2198272788.
It can be written as a sum of positive squares in only one way, i.e., 7181545536 + 1691183376 = 84744^2 + 41124^2 .
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 30807943 + ... + 30808230.
Almost surely, 28872728912 is an apocalyptic number.
It is an amenable number.
8872728912 is an abundant number, since it is smaller than the sum of its proper divisors (15958589210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8872728912 is a wasteful number, since it uses less digits than its factorization.
8872728912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61616187 (or 61616178 counting only the distinct ones).
The product of its digits is 1806336, while the sum is 54.
The square root of 8872728912 is about 94195.1639522964. The cubic root of 8872728912 is about 2070.2322556733.
The spelling of 8872728912 in words is "eight billion, eight hundred seventy-two million, seven hundred twenty-eight thousand, nine hundred twelve".
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