Base | Representation |
---|---|
bin | 110010010010110010… |
… | …111000101100001001 |
3 | 12011101112002012100202 |
4 | 302102302320230021 |
5 | 1341044104423424 |
6 | 40450335141545 |
7 | 3621142000103 |
oct | 622262705411 |
9 | 164345065322 |
10 | 54002420489 |
11 | 209a1a5a886 |
12 | a5713748b5 |
13 | 512802b084 |
14 | 2884114573 |
15 | 1610e472ae |
hex | c92cb8b09 |
54002420489 has 4 divisors (see below), whose sum is σ = 54032811924. Its totient is φ = 53972029056.
The previous prime is 54002420447. The next prime is 54002420491. The reversal of 54002420489 is 98402420045.
It is a happy number.
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 40561960000 + 13440460489 = 201400^2 + 115933^2 .
It is a cyclic number.
It is not a de Polignac number, because 54002420489 - 28 = 54002420233 is a prime.
It is a super-2 number, since 2×540024204892 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54002422489) 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, 15193052 + ... + 15196605.
It is an arithmetic number, because the mean of its divisors is an integer number (13508202981).
Almost surely, 254002420489 is an apocalyptic number.
It is an amenable number.
54002420489 is a deficient number, since it is larger than the sum of its proper divisors (30391435).
54002420489 is a wasteful number, since it uses less digits than its factorization.
54002420489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30391434.
The product of its (nonzero) digits is 92160, while the sum is 38.
The spelling of 54002420489 in words is "fifty-four billion, two million, four hundred twenty thousand, four hundred eighty-nine".
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