Base | Representation |
---|---|
bin | 11110111001110010001111 |
3 | 120020120111022 |
4 | 132321302033 |
5 | 4033213012 |
6 | 445344355 |
7 | 125600045 |
oct | 36716217 |
9 | 16216438 |
10 | 8101007 |
11 | 4633452 |
12 | 28680bb |
13 | 18a83c5 |
14 | 110c395 |
15 | aa0472 |
hex | 7b9c8f |
8101007 has 4 divisors (see below), whose sum is σ = 8115960. Its totient is φ = 8086056.
The previous prime is 8100979. The next prime is 8101019. The reversal of 8101007 is 7001018.
8101007 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7001018 = 2 ⋅3500509.
It is a cyclic number.
It is not a de Polignac number, because 8101007 - 26 = 8100943 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 (8101057) 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, 6632 + ... + 7757.
It is an arithmetic number, because the mean of its divisors is an integer number (2028990).
Almost surely, 28101007 is an apocalyptic number.
8101007 is a deficient number, since it is larger than the sum of its proper divisors (14953).
8101007 is a wasteful number, since it uses less digits than its factorization.
8101007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14952.
The product of its (nonzero) digits is 56, while the sum is 17.
The square root of 8101007 is about 2846.2268005203. The cubic root of 8101007 is about 200.8382071363.
The spelling of 8101007 in words is "eight million, one hundred one thousand, seven".
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