Base | Representation |
---|---|
bin | 101001000111000100… |
… | …111010001100000111 |
3 | 11012221100020011102010 |
4 | 221013010322030013 |
5 | 1210400342022330 |
6 | 32140103145303 |
7 | 3121612006113 |
oct | 510704721407 |
9 | 135840204363 |
10 | 44142142215 |
11 | 177a20a7876 |
12 | 867b145233 |
13 | 42162813a2 |
14 | 21ca762743 |
15 | 12354883b0 |
hex | a4713a307 |
44142142215 has 32 divisors (see below), whose sum is σ = 74844907200. Its totient is φ = 22176250880.
The previous prime is 44142142199. The next prime is 44142142229. The reversal of 44142142215 is 51224124144.
It is not a de Polignac number, because 44142142215 - 24 = 44142142199 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1219680 + ... + 1255349.
It is an arithmetic number, because the mean of its divisors is an integer number (2338903350).
Almost surely, 244142142215 is an apocalyptic number.
44142142215 is a deficient number, since it is larger than the sum of its proper divisors (30702764985).
44142142215 is a wasteful number, since it uses less digits than its factorization.
44142142215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2475107.
The product of its digits is 10240, while the sum is 30.
Adding to 44142142215 its reverse (51224124144), we get a palindrome (95366266359).
It can be divided in two parts, 441421 and 42215, that added together give a triangular number (483636 = T983).
The spelling of 44142142215 in words is "forty-four billion, one hundred forty-two million, one hundred forty-two thousand, two hundred fifteen".
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