Base | Representation |
---|---|
bin | 1001011110111001… |
… | …0000000100110001 |
3 | 20120101202222201012 |
4 | 2113232100010301 |
5 | 20203120442311 |
6 | 1100330320305 |
7 | 120036154250 |
oct | 22756200461 |
9 | 6511688635 |
10 | 2545484081 |
11 | 109694a958 |
12 | 5b0589095 |
13 | 3174961ca |
14 | 1a20d0797 |
15 | ed71278b |
hex | 97b90131 |
2545484081 has 8 divisors (see below), whose sum is σ = 2918421504. Its totient is φ = 2174870880.
The previous prime is 2545484063. The next prime is 2545484099. The reversal of 2545484081 is 1804845452.
It is an interprime number because it is at equal distance from previous prime (2545484063) and next prime (2545484099).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-2545484081 is a prime.
It is a super-2 number, since 2×25454840812 = 12958978413248829122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2545487081) 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, 578705 + ... + 583086.
It is an arithmetic number, because the mean of its divisors is an integer number (364802688).
Almost surely, 22545484081 is an apocalyptic number.
It is an amenable number.
2545484081 is a deficient number, since it is larger than the sum of its proper divisors (372937423).
2545484081 is a wasteful number, since it uses less digits than its factorization.
2545484081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1162111.
The product of its (nonzero) digits is 204800, while the sum is 41.
The square root of 2545484081 is about 50452.7906165754. The cubic root of 2545484081 is about 1365.3902431383.
The spelling of 2545484081 in words is "two billion, five hundred forty-five million, four hundred eighty-four thousand, eighty-one".
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