Search a number
-
+
2221054433143 = 713281343325301
BaseRepresentation
bin100000010100100001001…
…010010001011101110111
321212022221002202120001121
4200110201022101131313
5242342204413330033
64420201024404411
7316315541120050
oct40244112213567
97768832676047
102221054433143
11786a42363257
122ba556776707
131315a18464c0
14796dccd3727
153cb94a5262d
hex20521291777

2221054433143 has 32 divisors (see below), whose sum is σ = 2744241155712. Its totient is φ = 1750484736000.

The previous prime is 2221054433123. The next prime is 2221054433153. The reversal of 2221054433143 is 3413344501222.

It is a de Polignac number, because none of the positive numbers 2k-2221054433143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221054433099 and 2221054433108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221054433123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87772593 + ... + 87797893.

It is an arithmetic number, because the mean of its divisors is an integer number (85757536116).

Almost surely, 22221054433143 is an apocalyptic number.

2221054433143 is a deficient number, since it is larger than the sum of its proper divisors (523186722569).

2221054433143 is a wasteful number, since it uses less digits than its factorization.

2221054433143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29035.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 2221054433143 its reverse (3413344501222), we get a palindrome (5634398934365).

The spelling of 2221054433143 in words is "two trillion, two hundred twenty-one billion, fifty-four million, four hundred thirty-three thousand, one hundred forty-three".

Divisors: 1 7 13 91 281 1967 3433 3653 24031 25301 25571 44629 177107 312403 328913 964673 2302391 6752711 7109581 12540749 49767067 86858333 87785243 92424553 608008331 646971871 1129158329 7904108303 24407191573 170850341011 317293490449 2221054433143