Base | Representation |
---|---|
bin | 10011001100000011… |
… | …000100001111000101 |
3 | 1222011212121021102111 |
4 | 103030003010033011 |
5 | 314143411200104 |
6 | 13244234341021 |
7 | 1326365344312 |
oct | 231403041705 |
9 | 58155537374 |
10 | 20603225029 |
11 | 8812a8aa02 |
12 | 3babb8a771 |
13 | 1c3466241a |
14 | dd646bd09 |
15 | 808bc4404 |
hex | 4cc0c43c5 |
20603225029 has 2 divisors, whose sum is σ = 20603225030. Its totient is φ = 20603225028.
The previous prime is 20603225023. The next prime is 20603225057. The reversal of 20603225029 is 92052230602.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13030222500 + 7573002529 = 114150^2 + 87023^2 .
It is a cyclic number.
It is not a de Polignac number, because 20603225029 - 29 = 20603224517 is a prime.
It is a super-2 number, since 2×206032250292 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20603225023) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10301612514 + 10301612515.
It is an arithmetic number, because the mean of its divisors is an integer number (10301612515).
Almost surely, 220603225029 is an apocalyptic number.
It is an amenable number.
20603225029 is a deficient number, since it is larger than the sum of its proper divisors (1).
20603225029 is an equidigital number, since it uses as much as digits as its factorization.
20603225029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12960, while the sum is 31.
The spelling of 20603225029 in words is "twenty billion, six hundred three million, two hundred twenty-five thousand, twenty-nine".
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