Base | Representation |
---|---|
bin | 1000000011011100010… |
… | …1100010011100001001 |
3 | 111020010202200101121021 |
4 | 2000313011202130021 |
5 | 4231331431332022 |
6 | 143321350312441 |
7 | 12665524250050 |
oct | 2006705423411 |
9 | 436122611537 |
10 | 138363152137 |
11 | 53752435111 |
12 | 22995658721 |
13 | 10080727372 |
14 | 69a80a5397 |
15 | 38ec1947c7 |
hex | 2037162709 |
138363152137 has 4 divisors (see below), whose sum is σ = 158129316736. Its totient is φ = 118596987540.
The previous prime is 138363152111. The next prime is 138363152177. The reversal of 138363152137 is 731251363831.
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 a de Polignac number, because none of the positive numbers 2k-138363152137 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 138363152093 and 138363152102.
It is not an unprimeable number, because it can be changed into a prime (138363152177) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9883082289 + ... + 9883082302.
It is an arithmetic number, because the mean of its divisors is an integer number (39532329184).
Almost surely, 2138363152137 is an apocalyptic number.
It is an amenable number.
138363152137 is a deficient number, since it is larger than the sum of its proper divisors (19766164599).
138363152137 is an equidigital number, since it uses as much as digits as its factorization.
138363152137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19766164598.
The product of its digits is 272160, while the sum is 43.
The spelling of 138363152137 in words is "one hundred thirty-eight billion, three hundred sixty-three million, one hundred fifty-two thousand, one hundred thirty-seven".
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