Base | Representation |
---|---|
bin | 101010000000001011… |
… | …1100010001001010011 |
3 | 22121211020010021020221 |
4 | 1110000113202021103 |
5 | 2434212310414022 |
6 | 105234301213511 |
7 | 6342152310211 |
oct | 1240027421123 |
9 | 277736107227 |
10 | 90200482387 |
11 | 35287903514 |
12 | 15593b61297 |
13 | 8676518002 |
14 | 45197a7cb1 |
15 | 252dc7dcc7 |
hex | 15005e2253 |
90200482387 has 2 divisors, whose sum is σ = 90200482388. Its totient is φ = 90200482386.
The previous prime is 90200482381. The next prime is 90200482397. The reversal of 90200482387 is 78328400209.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-90200482387 is a prime.
It is a super-2 number, since 2×902004823872 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (90200482381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45100241193 + 45100241194.
It is an arithmetic number, because the mean of its divisors is an integer number (45100241194).
Almost surely, 290200482387 is an apocalyptic number.
90200482387 is a deficient number, since it is larger than the sum of its proper divisors (1).
90200482387 is an equidigital number, since it uses as much as digits as its factorization.
90200482387 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 193536, while the sum is 43.
The spelling of 90200482387 in words is "ninety billion, two hundred million, four hundred eighty-two thousand, three hundred eighty-seven".
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