Base | Representation |
---|---|
bin | 10100111010001100… |
… | …010011110101110101 |
3 | 2010221122210011221222 |
4 | 110322030103311311 |
5 | 331434443021010 |
6 | 14151445520125 |
7 | 1423234362335 |
oct | 247214236565 |
9 | 63848704858 |
10 | 22451142005 |
11 | 95810a2316 |
12 | 4426a13045 |
13 | 216a45b716 |
14 | 112da590c5 |
15 | 8b6045355 |
hex | 53a313d75 |
22451142005 has 8 divisors (see below), whose sum is σ = 26957035224. Its totient is φ = 17950470400.
The previous prime is 22451141941. The next prime is 22451142037. The reversal of 22451142005 is 50024115422.
It can be written as a sum of positive squares in 4 ways, for example, as 3352178404 + 19098963601 = 57898^2 + 138199^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 22451142005 - 26 = 22451141941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295936 + ... + 1313145.
It is an arithmetic number, because the mean of its divisors is an integer number (3369629403).
Almost surely, 222451142005 is an apocalyptic number.
It is an amenable number.
22451142005 is a deficient number, since it is larger than the sum of its proper divisors (4505893219).
22451142005 is a wasteful number, since it uses less digits than its factorization.
22451142005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2610807.
The product of its (nonzero) digits is 3200, while the sum is 26.
Adding to 22451142005 its reverse (50024115422), we get a palindrome (72475257427).
The spelling of 22451142005 in words is "twenty-two billion, four hundred fifty-one million, one hundred forty-two thousand, five".
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