Search a number
-
+
115908834649 is a prime number
BaseRepresentation
bin110101111110010110…
…1000111010101011001
3102002011212220212200211
41223330231013111121
53344340130202044
6125125304331121
711242220560426
oct1537455072531
9362155825624
10115908834649
114517a574033
121a569773aa1
13ac1272647a
145877c60d4d
153035c23634
hex1afcb47559

115908834649 has 2 divisors, whose sum is σ = 115908834650. Its totient is φ = 115908834648.

The previous prime is 115908834617. The next prime is 115908834661. The reversal of 115908834649 is 946438809511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115901436249 + 7398400 = 340443^2 + 2720^2 .

It is a cyclic number.

It is not a de Polignac number, because 115908834649 - 25 = 115908834617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115908834593 and 115908834602.

It is not a weakly prime, because it can be changed into another prime (115908834749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57954417324 + 57954417325.

It is an arithmetic number, because the mean of its divisors is an integer number (57954417325).

Almost surely, 2115908834649 is an apocalyptic number.

It is an amenable number.

115908834649 is a deficient number, since it is larger than the sum of its proper divisors (1).

115908834649 is an equidigital number, since it uses as much as digits as its factorization.

115908834649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 115908834649 in words is "one hundred fifteen billion, nine hundred eight million, eight hundred thirty-four thousand, six hundred forty-nine".