Base | Representation |
---|---|
bin | 10101001010110100… |
… | …100011000010000111 |
3 | 2011200002202000022001 |
4 | 111022310203002013 |
5 | 333022403003242 |
6 | 14235253250131 |
7 | 1433162610211 |
oct | 251264430207 |
9 | 64602660261 |
10 | 22730125447 |
11 | 9704621747 |
12 | 44a4333947 |
13 | 21b31ab493 |
14 | 1158b1b5b1 |
15 | 8d07a1eb7 |
hex | 54ad23087 |
22730125447 has 4 divisors (see below), whose sum is σ = 22955176296. Its totient is φ = 22505074600.
The previous prime is 22730125421. The next prime is 22730125471. The reversal of 22730125447 is 74452103722.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22730125447 is a prime.
It is a super-4 number, since 4×227301254474 (a number of 43 digits) contains 4444 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 (22730120447) 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, 112525273 + ... + 112525474.
It is an arithmetic number, because the mean of its divisors is an integer number (5738794074).
Almost surely, 222730125447 is an apocalyptic number.
22730125447 is a deficient number, since it is larger than the sum of its proper divisors (225050849).
22730125447 is a wasteful number, since it uses less digits than its factorization.
22730125447 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225050848.
The product of its (nonzero) digits is 94080, while the sum is 37.
The spelling of 22730125447 in words is "twenty-two billion, seven hundred thirty million, one hundred twenty-five thousand, four hundred forty-seven".
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