Base | Representation |
---|---|
bin | 10001011110010000… |
… | …001110101101100100 |
3 | 1210102111110210111112 |
4 | 101132100032231210 |
5 | 301410330311202 |
6 | 12341353124152 |
7 | 1232630262524 |
oct | 213620165544 |
9 | 53374423445 |
10 | 18761182052 |
11 | 7a5821a838 |
12 | 37770b9658 |
13 | 19ccb41972 |
14 | c9d96d684 |
15 | 74c113b52 |
hex | 45e40eb64 |
18761182052 has 6 divisors (see below), whose sum is σ = 32832068598. Its totient is φ = 9380591024.
The previous prime is 18761182007. The next prime is 18761182079. The reversal of 18761182052 is 25028116781.
It can be written as a sum of positive squares in only one way, i.e., 17975837476 + 785344576 = 134074^2 + 28024^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2345147753 + ... + 2345147760.
It is an arithmetic number, because the mean of its divisors is an integer number (5472011433).
Almost surely, 218761182052 is an apocalyptic number.
It is an amenable number.
18761182052 is a deficient number, since it is larger than the sum of its proper divisors (14070886546).
18761182052 is a wasteful number, since it uses less digits than its factorization.
18761182052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4690295517 (or 4690295515 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 41.
The spelling of 18761182052 in words is "eighteen billion, seven hundred sixty-one million, one hundred eighty-two thousand, fifty-two".
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