Search a number
-
+
40812484441 = 2020212
BaseRepresentation
bin100110000000100111…
…010001011101011001
310220100021220000121211
4212000213101131121
51132040444000231
630425441103121
72643241252051
oct460047213531
9126307800554
1040812484441
1116343646693
127ab0027aa1
133b054b6aa1
141d92466561
1510dcec7eb1
hex9809d1759

40812484441 has 3 divisors (see below), whose sum is σ = 40812686463. Its totient is φ = 40812282420.

The previous prime is 40812484429. The next prime is 40812484487. The reversal of 40812484441 is 14448421804.

The square root of 40812484441 is 202021.

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., 19816474441 + 20996010000 = 140771^2 + 144900^2 .

It is not a de Polignac number, because 40812484441 - 235 = 6452746073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40812484394 and 40812484403.

It is not an unprimeable number, because it can be changed into a prime (40812484411) 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, 101011 + ... + 303031.

It is an arithmetic number, because the mean of its divisors is an integer number (13604228821).

Almost surely, 240812484441 is an apocalyptic number.

40812484441 is the 202021-st square number.

40812484441 is the 101011-st centered octagonal number.

It is an amenable number.

40812484441 is a deficient number, since it is larger than the sum of its proper divisors (202022).

40812484441 is an frugal number, since it uses more digits than its factorization.

40812484441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404042 (or 202021 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 40812484441 in words is "forty billion, eight hundred twelve million, four hundred eighty-four thousand, four hundred forty-one".

Divisors: 1 202021 40812484441