Base | Representation |
---|---|
bin | 111011111100011… |
… | …1000011111000011 |
3 | 12012011210201021011 |
4 | 1313320320133003 |
5 | 13104404301011 |
6 | 531331141351 |
7 | 100562422216 |
oct | 16770703703 |
9 | 5164721234 |
10 | 2011400131 |
11 | 942423764 |
12 | 481744857 |
13 | 2609392c0 |
14 | 1511c577d |
15 | bb8b5621 |
hex | 77e387c3 |
2011400131 has 8 divisors (see below), whose sum is σ = 2168284160. Its totient is φ = 1854824832.
The previous prime is 2011400129. The next prime is 2011400147. The reversal of 2011400131 is 1310041102.
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 2011400131 - 21 = 2011400129 is a prime.
It is a super-2 number, since 2×20114001312 = 8091460973973634322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2011400731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63555 + ... + 89788.
It is an arithmetic number, because the mean of its divisors is an integer number (271035520).
Almost surely, 22011400131 is an apocalyptic number.
2011400131 is a deficient number, since it is larger than the sum of its proper divisors (156884029).
2011400131 is a wasteful number, since it uses less digits than its factorization.
2011400131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154365.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 2011400131 is about 44848.6357763533. The cubic root of 2011400131 is about 1262.3103933274.
Adding to 2011400131 its reverse (1310041102), we get a palindrome (3321441233).
The spelling of 2011400131 in words is "two billion, eleven million, four hundred thousand, one hundred thirty-one".
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