Base | Representation |
---|---|
bin | 100000010100100001001… |
… | …010010001011101110111 |
3 | 21212022221002202120001121 |
4 | 200110201022101131313 |
5 | 242342204413330033 |
6 | 4420201024404411 |
7 | 316315541120050 |
oct | 40244112213567 |
9 | 7768832676047 |
10 | 2221054433143 |
11 | 786a42363257 |
12 | 2ba556776707 |
13 | 1315a18464c0 |
14 | 796dccd3727 |
15 | 3cb94a5262d |
hex | 20521291777 |
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".
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