Base | Representation |
---|---|
bin | 100011100000111111… |
… | …100001101110101100 |
3 | 10122102122202201002201 |
4 | 203200333201232230 |
5 | 1111044412103410 |
6 | 25304014231244 |
7 | 2520002541151 |
oct | 434077415654 |
9 | 118378681081 |
10 | 38134487980 |
11 | 15199a19276 |
12 | 74831b5524 |
13 | 37997356b4 |
14 | 1bba920228 |
15 | ed2d3c83a |
hex | 8e0fe1bac |
38134487980 has 24 divisors (see below), whose sum is σ = 80086693680. Its totient is φ = 15252982080.
The previous prime is 38134487971. The next prime is 38134487987. The reversal of 38134487980 is 8978443183.
It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (38134487987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458011 + ... + 534829.
It is an arithmetic number, because the mean of its divisors is an integer number (3336945570).
Almost surely, 238134487980 is an apocalyptic number.
It is an amenable number.
38134487980 is an abundant number, since it is smaller than the sum of its proper divisors (41952205700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38134487980 is a wasteful number, since it uses less digits than its factorization.
38134487980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101649 (or 101647 counting only the distinct ones).
The product of its (nonzero) digits is 4644864, while the sum is 55.
The spelling of 38134487980 in words is "thirty-eight billion, one hundred thirty-four million, four hundred eighty-seven thousand, nine hundred eighty".
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