Base | Representation |
---|---|
bin | 1001000001000001… |
… | …0101110111110101 |
3 | 20020200001001101001 |
4 | 2100100111313311 |
5 | 14424032443442 |
6 | 1040053203301 |
7 | 113655246262 |
oct | 22020256765 |
9 | 6220031331 |
10 | 2420202997 |
11 | 1032161373 |
12 | 576630531 |
13 | 2c75405a4 |
14 | 18d5dc269 |
15 | e27172b7 |
hex | 90415df5 |
2420202997 has 2 divisors, whose sum is σ = 2420202998. Its totient is φ = 2420202996.
The previous prime is 2420202979. The next prime is 2420203003. The reversal of 2420202997 is 7992020242.
Together with previous prime (2420202979) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2326229361 + 93973636 = 48231^2 + 9694^2 .
It is a cyclic number.
It is not a de Polignac number, because 2420202997 - 227 = 2285985269 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2420202937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210101498 + 1210101499.
It is an arithmetic number, because the mean of its divisors is an integer number (1210101499).
Almost surely, 22420202997 is an apocalyptic number.
It is an amenable number.
2420202997 is a deficient number, since it is larger than the sum of its proper divisors (1).
2420202997 is an equidigital number, since it uses as much as digits as its factorization.
2420202997 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 2420202997 is about 49195.5587121439. The cubic root of 2420202997 is about 1342.6122276245.
The spelling of 2420202997 in words is "two billion, four hundred twenty million, two hundred two thousand, nine hundred ninety-seven".
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