Base | Representation |
---|---|
bin | 111111110100100… |
… | …0000000011000011 |
3 | 12112020112011100210 |
4 | 1333221000003003 |
5 | 13341203021111 |
6 | 552254445203 |
7 | 104032030446 |
oct | 17751000303 |
9 | 5466464323 |
10 | 2141454531 |
11 | 9a9882537 |
12 | 4b9203803 |
13 | 281873778 |
14 | 16459b65d |
15 | c80050a6 |
hex | 7fa400c3 |
2141454531 has 8 divisors (see below), whose sum is σ = 2889673920. Its totient is φ = 1410435752.
The previous prime is 2141454499. The next prime is 2141454541. The reversal of 2141454531 is 1354541412.
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 2141454531 - 25 = 2141454499 is a prime.
It is a super-2 number, since 2×21414545312 = 9171655016680859922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2141454541) 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, 4299861 + ... + 4300358.
It is an arithmetic number, because the mean of its divisors is an integer number (361209240).
Almost surely, 22141454531 is an apocalyptic number.
2141454531 is a deficient number, since it is larger than the sum of its proper divisors (748219389).
2141454531 is an equidigital number, since it uses as much as digits as its factorization.
2141454531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8600305.
The product of its digits is 9600, while the sum is 30.
The square root of 2141454531 is about 46275.8525691316. The cubic root of 2141454531 is about 1288.9506381157.
Adding to 2141454531 its reverse (1354541412), we get a palindrome (3495995943).
The spelling of 2141454531 in words is "two billion, one hundred forty-one million, four hundred fifty-four thousand, five hundred thirty-one".
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