Base | Representation |
---|---|
bin | 111101001000111… |
… | …0100101001110111 |
3 | 12021222020121121122 |
4 | 1322101310221313 |
5 | 13200140224341 |
6 | 535322334155 |
7 | 101560253420 |
oct | 17221645167 |
9 | 5258217548 |
10 | 2051492471 |
11 | 963017726 |
12 | 49305a35b |
13 | 269035b92 |
14 | 156660647 |
15 | c018494b |
hex | 7a474a77 |
2051492471 has 8 divisors (see below), whose sum is σ = 2344982304. Its totient is φ = 1758107520.
The previous prime is 2051492449. The next prime is 2051492483. The reversal of 2051492471 is 1742941502.
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 2051492471 - 210 = 2051491447 is a prime.
It is a super-3 number, since 3×20514924713 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2051492411) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21491 + ... + 67563.
It is an arithmetic number, because the mean of its divisors is an integer number (293122788).
Almost surely, 22051492471 is an apocalyptic number.
2051492471 is a deficient number, since it is larger than the sum of its proper divisors (293489833).
2051492471 is an equidigital number, since it uses as much as digits as its factorization.
2051492471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52441.
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 2051492471 is about 45293.4042770026. The cubic root of 2051492471 is about 1270.6423003948.
The spelling of 2051492471 in words is "two billion, fifty-one million, four hundred ninety-two thousand, four hundred seventy-one".
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