Base | Representation |
---|---|
bin | 10000110110000111… |
… | …010011100100111110 |
3 | 1201200120022002221112 |
4 | 100312013103210332 |
5 | 244020431112141 |
6 | 12150455202022 |
7 | 1210142241545 |
oct | 206607234476 |
9 | 51616262845 |
10 | 18087754046 |
11 | 774207a36a |
12 | 3609676312 |
13 | 192347715b |
14 | c3835115c |
15 | 70ce3e7eb |
hex | 4361d393e |
18087754046 has 16 divisors (see below), whose sum is σ = 27171376128. Its totient is φ = 9030641400.
The previous prime is 18087754043. The next prime is 18087754067. The reversal of 18087754046 is 64045778081.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 18087753985 and 18087754003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18087754043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6670631 + ... + 6673341.
It is an arithmetic number, because the mean of its divisors is an integer number (1698211008).
Almost surely, 218087754046 is an apocalyptic number.
18087754046 is a deficient number, since it is larger than the sum of its proper divisors (9083622082).
18087754046 is a wasteful number, since it uses less digits than its factorization.
18087754046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6367.
The product of its (nonzero) digits is 1505280, while the sum is 50.
The spelling of 18087754046 in words is "eighteen billion, eighty-seven million, seven hundred fifty-four thousand, forty-six".
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