Base | Representation |
---|---|
bin | 10011111001011000… |
… | …01001000111101000 |
3 | 1000120102211210002121 |
4 | 21330230021013220 |
5 | 133334030143224 |
6 | 4523541441024 |
7 | 525464330251 |
oct | 117454110750 |
9 | 30512753077 |
10 | 10681881064 |
11 | 4591709388 |
12 | 20a1410174 |
13 | 10130546aa |
14 | 734941b28 |
15 | 427ba1be4 |
hex | 27cb091e8 |
10681881064 has 16 divisors (see below), whose sum is σ = 20089041120. Its totient is φ = 5324803440.
The previous prime is 10681881061. The next prime is 10681881097. The reversal of 10681881064 is 46018818601.
It is a super-2 number, since 2×106818810642 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 10681881064.
It is not an unprimeable number, because it can be changed into a prime (10681881061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2014324 + ... + 2019619.
It is an arithmetic number, because the mean of its divisors is an integer number (1255565070).
Almost surely, 210681881064 is an apocalyptic number.
It is an amenable number.
10681881064 is a deficient number, since it is larger than the sum of its proper divisors (9407160056).
10681881064 is a wasteful number, since it uses less digits than its factorization.
10681881064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4034280 (or 4034276 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 43.
The spelling of 10681881064 in words is "ten billion, six hundred eighty-one million, eight hundred eighty-one thousand, sixty-four".
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