Base | Representation |
---|---|
bin | 1010010101101110… |
… | …0111111100011101 |
3 | 21011102120002201212 |
4 | 2211123213330131 |
5 | 21141010412031 |
6 | 1135224114205 |
7 | 125531131445 |
oct | 24533477435 |
9 | 7142502655 |
10 | 2775482141 |
11 | 11a47618a3 |
12 | 655605965 |
13 | 353024633 |
14 | 1c4881125 |
15 | 1139e512b |
hex | a56e7f1d |
2775482141 has 4 divisors (see below), whose sum is σ = 2780809884. Its totient is φ = 2770154400.
The previous prime is 2775482131. The next prime is 2775482159. The reversal of 2775482141 is 1412845772.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1077218041 + 1698264100 = 32821^2 + 41210^2 .
It is a cyclic number.
It is not a de Polignac number, because 2775482141 - 230 = 1701740317 is a prime.
It is a super-2 number, since 2×27754821412 = 15406602230019887762, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2775482131) 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, 2663090 + ... + 2664131.
It is an arithmetic number, because the mean of its divisors is an integer number (695202471).
Almost surely, 22775482141 is an apocalyptic number.
It is an amenable number.
2775482141 is a deficient number, since it is larger than the sum of its proper divisors (5327743).
2775482141 is an equidigital number, since it uses as much as digits as its factorization.
2775482141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5327742.
The product of its digits is 125440, while the sum is 41.
The square root of 2775482141 is about 52682.8448453574. The cubic root of 2775482141 is about 1405.3337591017. Note that the first 3 decimals are identical.
The spelling of 2775482141 in words is "two billion, seven hundred seventy-five million, four hundred eighty-two thousand, one hundred forty-one".
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