Base | Representation |
---|---|
bin | 1000011110001101010… |
… | …0100001110001110101 |
3 | 111220200110201202200001 |
4 | 2013203110201301311 |
5 | 4341040204330122 |
6 | 150510320551301 |
7 | 13341544202233 |
oct | 2074324416165 |
9 | 456613652601 |
10 | 145547730037 |
11 | 567a99988a6 |
12 | 2425b782531 |
13 | 10957047aa8 |
14 | 708a34b953 |
15 | 3bbccbd527 |
hex | 21e3521c75 |
145547730037 has 2 divisors, whose sum is σ = 145547730038. Its totient is φ = 145547730036.
The previous prime is 145547730023. The next prime is 145547730073. The reversal of 145547730037 is 730037745541.
Together with next prime (145547730073) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 95947540516 + 49600189521 = 309754^2 + 222711^2 .
It is a cyclic number.
It is not a de Polignac number, because 145547730037 - 27 = 145547729909 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145547730137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72773865018 + 72773865019.
It is an arithmetic number, because the mean of its divisors is an integer number (72773865019).
Almost surely, 2145547730037 is an apocalyptic number.
It is an amenable number.
145547730037 is a deficient number, since it is larger than the sum of its proper divisors (1).
145547730037 is an equidigital number, since it uses as much as digits as its factorization.
145547730037 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1234800, while the sum is 46.
The spelling of 145547730037 in words is "one hundred forty-five billion, five hundred forty-seven million, seven hundred thirty thousand, thirty-seven".
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