Base | Representation |
---|---|
bin | 10010101110101101… |
… | …010000111111111111 |
3 | 1220220120100011200022 |
4 | 102232231100333333 |
5 | 312141402032004 |
6 | 13123331522355 |
7 | 1311240301106 |
oct | 225655207777 |
9 | 56816304608 |
10 | 20110970879 |
11 | 859013409a |
12 | 3a931593bb |
13 | 1b8668cb8c |
14 | d8ad3103d |
15 | 7ca88b2be |
hex | 4aeb50fff |
20110970879 has 8 divisors (see below), whose sum is σ = 21295516320. Its totient is φ = 18926597376.
The previous prime is 20110970849. The next prime is 20110970911. The reversal of 20110970879 is 97807901102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20110970879 - 224 = 20094193663 is a prime.
It is a super-2 number, since 2×201109708792 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20110970819) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258182 + ... + 326924.
It is an arithmetic number, because the mean of its divisors is an integer number (2661939540).
Almost surely, 220110970879 is an apocalyptic number.
20110970879 is a deficient number, since it is larger than the sum of its proper divisors (1184545441).
20110970879 is a wasteful number, since it uses less digits than its factorization.
20110970879 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85969.
The product of its (nonzero) digits is 63504, while the sum is 44.
The spelling of 20110970879 in words is "twenty billion, one hundred ten million, nine hundred seventy thousand, eight hundred seventy-nine".
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