Base | Representation |
---|---|
bin | 111111110101110… |
… | …1000000001011001 |
3 | 12112021211010011002 |
4 | 1333223220001121 |
5 | 13341342030203 |
6 | 552321314345 |
7 | 104040624365 |
oct | 17753500131 |
9 | 5467733132 |
10 | 2142142553 |
11 | 9aa202451 |
12 | 4b94959b5 |
13 | 281a54995 |
14 | 1646da2a5 |
15 | c80ddd88 |
hex | 7fae8059 |
2142142553 has 4 divisors (see below), whose sum is σ = 2142620688. Its totient is φ = 2141664420.
The previous prime is 2142142537. The next prime is 2142142573. The reversal of 2142142553 is 3552412412.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2142142553 - 24 = 2142142537 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2142142573) 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 3 ways as a sum of consecutive naturals, for example, 232283 + ... + 241328.
It is an arithmetic number, because the mean of its divisors is an integer number (535655172).
Almost surely, 22142142553 is an apocalyptic number.
It is an amenable number.
2142142553 is a deficient number, since it is larger than the sum of its proper divisors (478135).
2142142553 is an equidigital number, since it uses as much as digits as its factorization.
2142142553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 478134.
The product of its digits is 9600, while the sum is 29.
The square root of 2142142553 is about 46283.2858924256. The cubic root of 2142142553 is about 1289.0886644625.
Adding to 2142142553 its reverse (3552412412), we get a palindrome (5694554965).
The spelling of 2142142553 in words is "two billion, one hundred forty-two million, one hundred forty-two thousand, five hundred fifty-three".
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