Base | Representation |
---|---|
bin | 10010101111111001… |
… | …101011011011111110 |
3 | 1220221222000212100202 |
4 | 102233321223123332 |
5 | 312212014031420 |
6 | 13125325123502 |
7 | 1311602460152 |
oct | 225771533376 |
9 | 56858025322 |
10 | 20131002110 |
11 | 85a047592a |
12 | 3a999b9592 |
13 | 1b8a88458b |
14 | d8d867062 |
15 | 7cc4e6575 |
hex | 4afe6b6fe |
20131002110 has 8 divisors (see below), whose sum is σ = 36235803816. Its totient is φ = 8052400840.
The previous prime is 20131002097. The next prime is 20131002139. The reversal of 20131002110 is 1120013102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20131002091 and 20131002100.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006550096 + ... + 1006550115.
It is an arithmetic number, because the mean of its divisors is an integer number (4529475477).
Almost surely, 220131002110 is an apocalyptic number.
20131002110 is a deficient number, since it is larger than the sum of its proper divisors (16104801706).
20131002110 is a wasteful number, since it uses less digits than its factorization.
20131002110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2013100218.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 20131002110 its reverse (1120013102), we get a palindrome (21251015212).
The spelling of 20131002110 in words is "twenty billion, one hundred thirty-one million, two thousand, one hundred ten".
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