Base | Representation |
---|---|
bin | 1100101111100111010101… |
… | …10101001100000011010101 |
3 | 10200020002122002201112110211 |
4 | 12113303222311030003111 |
5 | 12133122234422410040 |
6 | 135334104425445421 |
7 | 5621455303325551 |
oct | 627635265140325 |
9 | 120202562645424 |
10 | 28024306450645 |
11 | 8a2505044340a |
12 | 318736b640871 |
13 | 12838b082016b |
14 | 6cc552b08861 |
15 | 338e9ab728ea |
hex | 197cead4c0d5 |
28024306450645 has 16 divisors (see below), whose sum is σ = 33938047440000. Its totient is φ = 22213529667648.
The previous prime is 28024306450643. The next prime is 28024306450681. The reversal of 28024306450645 is 54605460342082.
It is a cyclic number.
It is not a de Polignac number, because 28024306450645 - 21 = 28024306450643 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28024306450643) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67481446 + ... + 67895464.
It is an arithmetic number, because the mean of its divisors is an integer number (2121127965000).
Almost surely, 228024306450645 is an apocalyptic number.
It is an amenable number.
28024306450645 is a deficient number, since it is larger than the sum of its proper divisors (5913740989355).
28024306450645 is a wasteful number, since it uses less digits than its factorization.
28024306450645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 538332.
The product of its (nonzero) digits is 5529600, while the sum is 49.
The spelling of 28024306450645 in words is "twenty-eight trillion, twenty-four billion, three hundred six million, four hundred fifty thousand, six hundred forty-five".
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