Base | Representation |
---|---|
bin | 100101001000010010… |
… | …100110101001010101 |
3 | 10210220102210222102101 |
4 | 211020102212221111 |
5 | 1123122042321401 |
6 | 30152003442101 |
7 | 2610645342112 |
oct | 451022465125 |
9 | 123812728371 |
10 | 39867542101 |
11 | 159a9208502 |
12 | 7887686331 |
13 | 39b47b60ca |
14 | 1d02b6b909 |
15 | 1085070101 |
hex | 9484a6a55 |
39867542101 has 4 divisors (see below), whose sum is σ = 39868091104. Its totient is φ = 39866993100.
The previous prime is 39867542093. The next prime is 39867542147. The reversal of 39867542101 is 10124576893.
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 39867542101 - 23 = 39867542093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39867542801) 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, 145305 + ... + 317566.
It is an arithmetic number, because the mean of its divisors is an integer number (9967022776).
It is a 1-persistent number, because it is pandigital, but 2⋅39867542101 = 79735084202 is not.
Almost surely, 239867542101 is an apocalyptic number.
It is an amenable number.
39867542101 is a deficient number, since it is larger than the sum of its proper divisors (549003).
39867542101 is an equidigital number, since it uses as much as digits as its factorization.
39867542101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 549002.
The product of its (nonzero) digits is 362880, while the sum is 46.
The spelling of 39867542101 in words is "thirty-nine billion, eight hundred sixty-seven million, five hundred forty-two thousand, one hundred one".
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