Base | Representation |
---|---|
bin | 111101000011011… |
… | …1100010010000011 |
3 | 12021202212200221102 |
4 | 1322012330102003 |
5 | 13143422441011 |
6 | 535141245015 |
7 | 101524103516 |
oct | 17206742203 |
9 | 5252780842 |
10 | 2048640131 |
11 | 96144971a |
12 | 49210376b |
13 | 2685777c5 |
14 | 15611ad7d |
15 | becbe73b |
hex | 7a1bc483 |
2048640131 has 4 divisors (see below), whose sum is σ = 2169148392. Its totient is φ = 1928131872.
The previous prime is 2048640101. The next prime is 2048640137. The reversal of 2048640131 is 1310468402.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2048640131 - 210 = 2048639107 is a prime.
It is a super-2 number, since 2×20486401312 = 8393852772687394322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2048640094 and 2048640103.
It is not an unprimeable number, because it can be changed into a prime (2048640137) 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, 60254105 + ... + 60254138.
It is an arithmetic number, because the mean of its divisors is an integer number (542287098).
Almost surely, 22048640131 is an apocalyptic number.
2048640131 is a deficient number, since it is larger than the sum of its proper divisors (120508261).
2048640131 is a wasteful number, since it uses less digits than its factorization.
2048640131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120508260.
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 2048640131 is about 45261.9059585431. The cubic root of 2048640131 is about 1270.0531382895.
The spelling of 2048640131 in words is "two billion, forty-eight million, six hundred forty thousand, one hundred thirty-one".
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