Search a number
-
+
8902338061 = 10188141961
BaseRepresentation
bin10000100101001111…
…01110011000001101
3211222102022122000111
420102213232120031
5121212444304221
64031212000021
7433415424241
oct102247563015
924872278014
108902338061
113859157391
121885460011
13abb477a76
14606472421
15371839be1
hex2129ee60d

8902338061 has 4 divisors (see below), whose sum is σ = 8990480124. Its totient is φ = 8814196000.

The previous prime is 8902338043. The next prime is 8902338083. The reversal of 8902338061 is 1608332098.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1608332098 = 2804166049.

It can be written as a sum of positive squares in 2 ways, for example, as 5699344036 + 3202994025 = 75494^2 + 56595^2 .

It is a cyclic number.

It is not a de Polignac number, because 8902338061 - 211 = 8902336013 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8902338661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44070880 + ... + 44071081.

It is an arithmetic number, because the mean of its divisors is an integer number (2247620031).

Almost surely, 28902338061 is an apocalyptic number.

It is an amenable number.

8902338061 is a deficient number, since it is larger than the sum of its proper divisors (88142063).

8902338061 is a wasteful number, since it uses less digits than its factorization.

8902338061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88142062.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 8902338061 is about 94352.2022053540. The cubic root of 8902338061 is about 2072.5325534545.

The spelling of 8902338061 in words is "eight billion, nine hundred two million, three hundred thirty-eight thousand, sixty-one".

Divisors: 1 101 88141961 8902338061