Base | Representation |
---|---|
bin | 10000111101001000… |
… | …00001001100000001 |
3 | 212111101022201111021 |
4 | 20132210001030001 |
5 | 122120242134441 |
6 | 4103130145441 |
7 | 441400420624 |
oct | 103644011401 |
9 | 25441281437 |
10 | 9102693121 |
11 | 3951262085 |
12 | 1920582281 |
13 | b20b27862 |
14 | 624d07dbb |
15 | 3842143d1 |
hex | 21e901301 |
9102693121 has 4 divisors (see below), whose sum is σ = 9348711892. Its totient is φ = 8856674352.
The previous prime is 9102693113. The next prime is 9102693137. The reversal of 9102693121 is 1213962019.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1213962019 = 2879 ⋅421661.
It can be written as a sum of positive squares in 2 ways, for example, as 7621290000 + 1481403121 = 87300^2 + 38489^2 .
It is a cyclic number.
It is not a de Polignac number, because 9102693121 - 23 = 9102693113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9102693161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123009330 + ... + 123009403.
It is an arithmetic number, because the mean of its divisors is an integer number (2337177973).
Almost surely, 29102693121 is an apocalyptic number.
It is an amenable number.
9102693121 is a deficient number, since it is larger than the sum of its proper divisors (246018771).
9102693121 is a wasteful number, since it uses less digits than its factorization.
9102693121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 246018770.
The product of its (nonzero) digits is 5832, while the sum is 34.
The square root of 9102693121 is about 95408.0348870052. The cubic root of 9102693121 is about 2087.9654139866.
The spelling of 9102693121 in words is "nine billion, one hundred two million, six hundred ninety-three thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •