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20010241487 is a prime number
BaseRepresentation
bin10010101000101101…
…000000110111001111
31220122112210120221002
4102220231000313033
5311440110211422
613105332530515
71305605150315
oct225055006717
956575716832
1020010241487
118539294665
123a65480a3b
131b6b8523a2
14d7b7d00b5
157c1ae0692
hex4a8b40dcf

20010241487 has 2 divisors, whose sum is σ = 20010241488. Its totient is φ = 20010241486.

The previous prime is 20010241439. The next prime is 20010241513. The reversal of 20010241487 is 78414201002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010241487 - 210 = 20010240463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010241417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005120743 + 10005120744.

It is an arithmetic number, because the mean of its divisors is an integer number (10005120744).

Almost surely, 220010241487 is an apocalyptic number.

20010241487 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010241487 is an equidigital number, since it uses as much as digits as its factorization.

20010241487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

Adding to 20010241487 its reverse (78414201002), we get a palindrome (98424442489).

The spelling of 20010241487 in words is "twenty billion, ten million, two hundred forty-one thousand, four hundred eighty-seven".