Base | Representation |
---|---|
bin | 100011111110011100… |
… | …001100100111011001 |
3 | 10200201002102022002110 |
4 | 203332130030213121 |
5 | 1113102401333222 |
6 | 25425023422533 |
7 | 2535152124465 |
oct | 437634144731 |
9 | 120632368073 |
10 | 38628542937 |
11 | 15422895056 |
12 | 75a0754a49 |
13 | 3847bb87ca |
14 | 1c263a94a5 |
15 | 10113ce30c |
hex | 8fe70c9d9 |
38628542937 has 8 divisors (see below), whose sum is σ = 51517323904. Its totient is φ = 25746061968.
The previous prime is 38628542881. The next prime is 38628542951. The reversal of 38628542937 is 73924582683.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38628542937 - 211 = 38628540889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38628542977) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560673 + ... + 1585230.
It is an arithmetic number, because the mean of its divisors is an integer number (6439665488).
Almost surely, 238628542937 is an apocalyptic number.
It is an amenable number.
38628542937 is a deficient number, since it is larger than the sum of its proper divisors (12888780967).
38628542937 is a wasteful number, since it uses less digits than its factorization.
38628542937 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3149999.
The product of its digits is 17418240, while the sum is 57.
The spelling of 38628542937 in words is "thirty-eight billion, six hundred twenty-eight million, five hundred forty-two thousand, nine hundred thirty-seven".
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