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90200482387 is a prime number
BaseRepresentation
bin101010000000001011…
…1100010001001010011
322121211020010021020221
41110000113202021103
52434212310414022
6105234301213511
76342152310211
oct1240027421123
9277736107227
1090200482387
1135287903514
1215593b61297
138676518002
1445197a7cb1
15252dc7dcc7
hex15005e2253

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".