Base | Representation |
---|---|
bin | 10001101000110001… |
… | …110010011100101110 |
3 | 1210212210201110000212 |
4 | 101220301302130232 |
5 | 302241031020332 |
6 | 12411101422422 |
7 | 1240203142016 |
oct | 215061623456 |
9 | 53783643025 |
10 | 18937751342 |
11 | 8038959974 |
12 | 380626aa12 |
13 | 1a2a5b4133 |
14 | cb91b2c46 |
15 | 75c8908b2 |
hex | 468c7272e |
18937751342 has 8 divisors (see below), whose sum is σ = 28667238600. Its totient is φ = 9382005144.
The previous prime is 18937751207. The next prime is 18937751351. The reversal of 18937751342 is 24315773981.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43434992 + ... + 43435427.
It is an arithmetic number, because the mean of its divisors is an integer number (3583404825).
Almost surely, 218937751342 is an apocalyptic number.
18937751342 is a deficient number, since it is larger than the sum of its proper divisors (9729487258).
18937751342 is a wasteful number, since it uses less digits than its factorization.
18937751342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86870530.
The product of its digits is 1270080, while the sum is 50.
The spelling of 18937751342 in words is "eighteen billion, nine hundred thirty-seven million, seven hundred fifty-one thousand, three hundred forty-two".
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