Search a number
-
+
15550114057 is a prime number
BaseRepresentation
bin11100111101101101…
…11110100100001001
31111010201021122022021
432132312332210021
5223321312122212
611051004524441
71060226534332
oct163666764411
944121248267
1015550114057
11665a6a7935
12301b850721
13160a7c942a
14a77303289
1561027b307
hex39edbe909

15550114057 has 2 divisors, whose sum is σ = 15550114058. Its totient is φ = 15550114056.

The previous prime is 15550114031. The next prime is 15550114093. The reversal of 15550114057 is 75041105551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14076398736 + 1473715321 = 118644^2 + 38389^2 .

It is a cyclic number.

It is not a de Polignac number, because 15550114057 - 223 = 15541725449 is a prime.

It is not a weakly prime, because it can be changed into another prime (15550114457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7775057028 + 7775057029.

It is an arithmetic number, because the mean of its divisors is an integer number (7775057029).

Almost surely, 215550114057 is an apocalyptic number.

It is an amenable number.

15550114057 is a deficient number, since it is larger than the sum of its proper divisors (1).

15550114057 is an equidigital number, since it uses as much as digits as its factorization.

15550114057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17500, while the sum is 34.

The spelling of 15550114057 in words is "fifteen billion, five hundred fifty million, one hundred fourteen thousand, fifty-seven".