Base | Representation |
---|---|
bin | 11111001100110010101… |
… | …111100111100010100111 |
3 | 21120222010211120020002100 |
4 | 133030302233213202213 |
5 | 240111443221233411 |
6 | 4320543002343143 |
7 | 310621211336460 |
oct | 37146257474247 |
9 | 7528124506070 |
10 | 2144040024231 |
11 | 757311775a26 |
12 | 2a76427baab3 |
13 | 12724a11c641 |
14 | 75ab488dd67 |
15 | 3ab8872d456 |
hex | 1f332be78a7 |
2144040024231 has 48 divisors (see below), whose sum is σ = 3562650943488. Its totient is φ = 1217123280000.
The previous prime is 2144040024227. The next prime is 2144040024233. The reversal of 2144040024231 is 1324200404412.
2144040024231 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 0 + 400 + 24 + 231 = 666.
It is not a de Polignac number, because 2144040024231 - 22 = 2144040024227 is a prime.
It is a super-2 number, since 2×21440400242312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2144040024195 and 2144040024204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2144040024233) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8918155 + ... + 9155411.
It is an arithmetic number, because the mean of its divisors is an integer number (74221894656).
Almost surely, 22144040024231 is an apocalyptic number.
2144040024231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2144040024231 is a deficient number, since it is larger than the sum of its proper divisors (1418610919257).
2144040024231 is a wasteful number, since it uses less digits than its factorization.
2144040024231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 238212 (or 238209 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 2144040024231 its reverse (1324200404412), we get a palindrome (3468240428643).
The spelling of 2144040024231 in words is "two trillion, one hundred forty-four billion, forty million, twenty-four thousand, two hundred thirty-one".
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