Base | Representation |
---|---|
bin | 100011011110100010… |
… | …101010110101010101 |
3 | 10122022210101121222222 |
4 | 203132202222311111 |
5 | 1111003400244121 |
6 | 25255545032125 |
7 | 2515663201565 |
oct | 433642526525 |
9 | 118283347888 |
10 | 38093368661 |
11 | 15178793767 |
12 | 7471485645 |
13 | 379106953a |
14 | 1bb5298da5 |
15 | ece4190ab |
hex | 8de8aad55 |
38093368661 has 4 divisors (see below), whose sum is σ = 38094491232. Its totient is φ = 38092246092.
The previous prime is 38093368619. The next prime is 38093368697. The reversal of 38093368661 is 16686339083.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 38093368661 - 214 = 38093352277 is a prime.
It is a super-2 number, since 2×380933686612 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38093308661) 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 3 ways as a sum of consecutive naturals, for example, 508745 + ... + 578798.
It is an arithmetic number, because the mean of its divisors is an integer number (9523622808).
Almost surely, 238093368661 is an apocalyptic number.
It is an amenable number.
38093368661 is a deficient number, since it is larger than the sum of its proper divisors (1122571).
38093368661 is a wasteful number, since it uses less digits than its factorization.
38093368661 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1122570.
The product of its (nonzero) digits is 3359232, while the sum is 53.
The spelling of 38093368661 in words is "thirty-eight billion, ninety-three million, three hundred sixty-eight thousand, six hundred sixty-one".
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