Base | Representation |
---|---|
bin | 1000011100010100010… |
… | …0000111100000011111 |
3 | 111212101002120002010221 |
4 | 2013011010013200133 |
5 | 4334020232033042 |
6 | 150344104542211 |
7 | 13323141415234 |
oct | 2070504074037 |
9 | 455332502127 |
10 | 145040111647 |
11 | 565693a8672 |
12 | 24139781967 |
13 | 108a5b26192 |
14 | 703cb7178b |
15 | 3b8d44cd67 |
hex | 21c510781f |
145040111647 has 2 divisors, whose sum is σ = 145040111648. Its totient is φ = 145040111646.
The previous prime is 145040111563. The next prime is 145040111663. The reversal of 145040111647 is 746111040541.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-145040111647 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145040111747) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72520055823 + 72520055824.
It is an arithmetic number, because the mean of its divisors is an integer number (72520055824).
Almost surely, 2145040111647 is an apocalyptic number.
145040111647 is a deficient number, since it is larger than the sum of its proper divisors (1).
145040111647 is an equidigital number, since it uses as much as digits as its factorization.
145040111647 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13440, while the sum is 34.
The spelling of 145040111647 in words is "one hundred forty-five billion, forty million, one hundred eleven thousand, six hundred forty-seven".
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