Search a number
-
+
2858550157 is a prime number
BaseRepresentation
bin1010101001100010…
…0000001110001101
321101012212101122001
42222120200032031
521323242101112
61151352352301
7130560163321
oct25230401615
97335771561
102858550157
111237639051
126793a5691
133672ba2c8
141d1905981
1511ae52c57
hexaa62038d

2858550157 has 2 divisors, whose sum is σ = 2858550158. Its totient is φ = 2858550156.

The previous prime is 2858550139. The next prime is 2858550161. The reversal of 2858550157 is 7510558582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1881737641 + 976812516 = 43379^2 + 31254^2 .

It is a cyclic number.

It is not a de Polignac number, because 2858550157 - 231 = 711066509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2858550197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429275078 + 1429275079.

It is an arithmetic number, because the mean of its divisors is an integer number (1429275079).

Almost surely, 22858550157 is an apocalyptic number.

It is an amenable number.

2858550157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2858550157 is an equidigital number, since it uses as much as digits as its factorization.

2858550157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560000, while the sum is 46.

The square root of 2858550157 is about 53465.4108466399. The cubic root of 2858550157 is about 1419.2163494976.

The spelling of 2858550157 in words is "two billion, eight hundred fifty-eight million, five hundred fifty thousand, one hundred fifty-seven".