Search a number
-
+
50269675681 = 2242092
BaseRepresentation
bin101110110100010011…
…100110000010100001
311210202101021010010001
4232310103212002201
51310423014110211
635032113340001
73426505123141
oct566423460241
9153671233101
1050269675681
111a356a15415
1298ab267601
1349818b1034
14260c48c921
1514933b3ac1
hexbb44e60a1

50269675681 has 3 divisors (see below), whose sum is σ = 50269899891. Its totient is φ = 50269451472.

The previous prime is 50269675627. The next prime is 50269675741. The reversal of 50269675681 is 18657696205.

The square root of 50269675681 is 224209.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 14457898081 + 35811777600 = 120241^2 + 189240^2 .

It is not a de Polignac number, because 50269675681 - 213 = 50269667489 is a prime.

It is a super-2 number, since 2×502696756812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50269675381) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 112105 + ... + 336313.

It is an arithmetic number, because the mean of its divisors is an integer number (16756633297).

Almost surely, 250269675681 is an apocalyptic number.

50269675681 is the 224209-th square number.

50269675681 is the 112105-th centered octagonal number.

It is an amenable number.

50269675681 is a deficient number, since it is larger than the sum of its proper divisors (224210).

50269675681 is an frugal number, since it uses more digits than its factorization.

50269675681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448418 (or 224209 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 50269675681 in words is "fifty billion, two hundred sixty-nine million, six hundred seventy-five thousand, six hundred eighty-one".

Divisors: 1 224209 50269675681