Search a number
-
+
51415235141441 = 411254030125401
BaseRepresentation
bin10111011000011000010101…
…10100111001111101000001
320202001020201010202102201112
423230030022310321331001
523214341400144011231
6301203455530013105
713554425312556143
oct1354141264717501
9222036633672645
1051415235141441
1115423095932666
12592474a277195
13228c5887b5432
14c9a721366c93
155e266558092b
hex2ec30ad39f41

51415235141441 has 4 divisors (see below), whose sum is σ = 52669265266884. Its totient is φ = 50161205016000.

The previous prime is 51415235141383. The next prime is 51415235141447. The reversal of 51415235141441 is 14414153251415.

51415235141441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27281557080625 + 24133678060816 = 5223175^2 + 4912604^2 .

It is a cyclic number.

It is not a de Polignac number, because 51415235141441 - 26 = 51415235141377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1254030125401 = 51415235141441 / (5 + 1 + 4 + 1 + 5 + 2 + 3 + 5 + 1 + 4 + 1 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51415235141447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627015062660 + ... + 627015062741.

It is an arithmetic number, because the mean of its divisors is an integer number (13167316316721).

Almost surely, 251415235141441 is an apocalyptic number.

It is an amenable number.

51415235141441 is a deficient number, since it is larger than the sum of its proper divisors (1254030125443).

51415235141441 is a wasteful number, since it uses less digits than its factorization.

51415235141441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254030125442.

The product of its digits is 192000, while the sum is 41.

Adding to 51415235141441 its reverse (14414153251415), we get a palindrome (65829388392856).

The spelling of 51415235141441 in words is "fifty-one trillion, four hundred fifteen billion, two hundred thirty-five million, one hundred forty-one thousand, four hundred forty-one".

Divisors: 1 41 1254030125401 51415235141441