Base | Representation |
---|---|
bin | 111111110100000… |
… | …1011110010000110 |
3 | 12112020010021201000 |
4 | 1333220023302012 |
5 | 13341124143304 |
6 | 552250114130 |
7 | 104030146353 |
oct | 17750136206 |
9 | 5466107630 |
10 | 2141240454 |
11 | 9a9746711 |
12 | 4b911b946 |
13 | 2817ca1b2 |
14 | 16454362a |
15 | c7eb1939 |
hex | 7fa0bc86 |
2141240454 has 48 divisors (see below), whose sum is σ = 5021976240. Its totient is φ = 676175040.
The previous prime is 2141240441. The next prime is 2141240459. The reversal of 2141240454 is 4540421412.
It is a super-2 number, since 2×21412404542 = 9169821363692252232, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2141240459) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35427 + ... + 74414.
It is an arithmetic number, because the mean of its divisors is an integer number (104624505).
Almost surely, 22141240454 is an apocalyptic number.
2141240454 is an abundant number, since it is smaller than the sum of its proper divisors (2880735786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2141240454 is a wasteful number, since it uses less digits than its factorization.
2141240454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109890 (or 109865 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 27.
The square root of 2141240454 is about 46273.5394583125. The cubic root of 2141240454 is about 1288.9076853971.
Adding to 2141240454 its reverse (4540421412), we get a palindrome (6681661866).
The spelling of 2141240454 in words is "two billion, one hundred forty-one million, two hundred forty thousand, four hundred fifty-four".
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