Search a number
-
+
20351835359 is a prime number
BaseRepresentation
bin10010111101000100…
…000101110011011111
31221112100120100121222
4102331010011303133
5313140032212414
613203254243555
71320223513652
oct227504056337
957470510558
1020351835359
1186a4098149
123b3b9565bb
131bc455433b
14db0d0d899
157e1ab868e
hex4bd105cdf

20351835359 has 2 divisors, whose sum is σ = 20351835360. Its totient is φ = 20351835358.

The previous prime is 20351835347. The next prime is 20351835367. The reversal of 20351835359 is 95353815302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20351835359 - 28 = 20351835103 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20351895359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10175917679 + 10175917680.

It is an arithmetic number, because the mean of its divisors is an integer number (10175917680).

Almost surely, 220351835359 is an apocalyptic number.

20351835359 is a deficient number, since it is larger than the sum of its proper divisors (1).

20351835359 is an equidigital number, since it uses as much as digits as its factorization.

20351835359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 20351835359 in words is "twenty billion, three hundred fifty-one million, eight hundred thirty-five thousand, three hundred fifty-nine".