Base | Representation |
---|---|
bin | 100100010001010101… |
… | …000111011110110101 |
3 | 10201112011202001100102 |
4 | 210101111013132311 |
5 | 1114230014012010 |
6 | 25520304123445 |
7 | 2546050616453 |
oct | 442125073665 |
9 | 121464661312 |
10 | 38945454005 |
11 | 1557576a027 |
12 | 766a906585 |
13 | 3898757a53 |
14 | 1c565019d3 |
15 | 102e12dba5 |
hex | 9115477b5 |
38945454005 has 8 divisors (see below), whose sum is σ = 46784215224. Its totient is φ = 31123249600.
The previous prime is 38945453983. The next prime is 38945454017. The reversal of 38945454005 is 50045454983.
38945454005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 2788051204 + 36157402801 = 52802^2 + 190151^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38945454005 - 210 = 38945452981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4134026 + ... + 4143435.
It is an arithmetic number, because the mean of its divisors is an integer number (5848026903).
Almost surely, 238945454005 is an apocalyptic number.
It is an amenable number.
38945454005 is a deficient number, since it is larger than the sum of its proper divisors (7838761219).
38945454005 is an equidigital number, since it uses as much as digits as its factorization.
38945454005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8278407.
The product of its (nonzero) digits is 1728000, while the sum is 47.
The spelling of 38945454005 in words is "thirty-eight billion, nine hundred forty-five million, four hundred fifty-four thousand, five".
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