Base | Representation |
---|---|
bin | 100011111001010101… |
… | …110110010001000101 |
3 | 10200111010102212220000 |
4 | 203321111312101011 |
5 | 1112414001224303 |
6 | 25412330031513 |
7 | 2533063013250 |
oct | 437125662105 |
9 | 120433385800 |
10 | 38542992453 |
11 | 15389572779 |
12 | 7577b78599 |
13 | 3833263c14 |
14 | 1c18c9a097 |
15 | 1008b30da3 |
hex | 8f9576445 |
38542992453 has 20 divisors (see below), whose sum is σ = 65801794080. Its totient is φ = 22024566792.
The previous prime is 38542992451. The next prime is 38542992457. The reversal of 38542992453 is 35429924583.
38542992453 is a `hidden beast` number, since 3 + 8 + 542 + 9 + 92 + 4 + 5 + 3 = 666.
38542992453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38542992453 - 21 = 38542992451 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 38542992453.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38542992451) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33987963 + ... + 33989096.
It is an arithmetic number, because the mean of its divisors is an integer number (3290089704).
Almost surely, 238542992453 is an apocalyptic number.
It is an amenable number.
38542992453 is a deficient number, since it is larger than the sum of its proper divisors (27258801627).
38542992453 is an equidigital number, since it uses as much as digits as its factorization.
38542992453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67977078 (or 67977069 counting only the distinct ones).
The product of its digits is 9331200, while the sum is 54.
The spelling of 38542992453 in words is "thirty-eight billion, five hundred forty-two million, nine hundred ninety-two thousand, four hundred fifty-three".
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