Base | Representation |
---|---|
bin | 10001101001111011… |
… | …011100100110111011 |
3 | 1210221011001110021022 |
4 | 101221323130212323 |
5 | 302311001414124 |
6 | 12413031333055 |
7 | 1240526233034 |
oct | 215173344673 |
9 | 53834043238 |
10 | 18957060539 |
11 | 804884818a |
12 | 381082118b |
13 | 1a315b4cb1 |
14 | cbb99ba8b |
15 | 75e406c5e |
hex | 469edc9bb |
18957060539 has 8 divisors (see below), whose sum is σ = 19403450352. Its totient is φ = 18510922080.
The previous prime is 18957060523. The next prime is 18957060541. The reversal of 18957060539 is 93506075981.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18957060539 - 24 = 18957060523 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18957060559) 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, 94349 + ... + 216369.
It is an arithmetic number, because the mean of its divisors is an integer number (2425431294).
Almost surely, 218957060539 is an apocalyptic number.
18957060539 is a deficient number, since it is larger than the sum of its proper divisors (446389813).
18957060539 is a wasteful number, since it uses less digits than its factorization.
18957060539 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125677.
The product of its (nonzero) digits is 2041200, while the sum is 53.
The spelling of 18957060539 in words is "eighteen billion, nine hundred fifty-seven million, sixty thousand, five hundred thirty-nine".
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