Base | Representation |
---|---|
bin | 11111001011110111011… |
… | …000111100000010101000 |
3 | 21120212120102210021210121 |
4 | 133023313120330002220 |
5 | 240102423310120034 |
6 | 4320300111053024 |
7 | 310554430224346 |
oct | 37136730740250 |
9 | 7525512707717 |
10 | 2143044223144 |
11 | 75695065a920 |
12 | 2a7405211174 |
13 | 12711ba22726 |
14 | 75a1c516996 |
15 | 3ab2b0cb1b4 |
hex | 1f2f763c0a8 |
2143044223144 has 32 divisors (see below), whose sum is σ = 4390274779200. Its totient is φ = 972605403520.
The previous prime is 2143044223051. The next prime is 2143044223157. The reversal of 2143044223144 is 4413224403412.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18762829 + ... + 18876700.
It is an arithmetic number, because the mean of its divisors is an integer number (137196086850).
Almost surely, 22143044223144 is an apocalyptic number.
It is an amenable number.
2143044223144 is an abundant number, since it is smaller than the sum of its proper divisors (2247230556056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143044223144 is a wasteful number, since it uses less digits than its factorization.
2143044223144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37640193 (or 37640189 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 34.
Adding to 2143044223144 its reverse (4413224403412), we get a palindrome (6556268626556).
The spelling of 2143044223144 in words is "two trillion, one hundred forty-three billion, forty-four million, two hundred twenty-three thousand, one hundred forty-four".
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