Base | Representation |
---|---|
bin | 1100111111101000… |
… | …01111001000101001 |
3 | 200000012000121121200 |
4 | 12133310033020221 |
5 | 103241404104441 |
6 | 3112124554413 |
7 | 334610021436 |
oct | 63764171051 |
9 | 20005017550 |
10 | 6976238121 |
11 | 2a5a9a4a56 |
12 | 14283b2a09 |
13 | 872406468 |
14 | 4a2732b8d |
15 | 2ac6c37b6 |
hex | 19fd0f229 |
6976238121 has 6 divisors (see below), whose sum is σ = 10076788410. Its totient is φ = 4650825408.
The previous prime is 6976238089. The next prime is 6976238131. The reversal of 6976238121 is 1218326796.
6976238121 is a `hidden beast` number, since 6 + 9 + 7 + 623 + 8 + 12 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 3933171225 + 3043066896 = 62715^2 + 55164^2 .
It is not a de Polignac number, because 6976238121 - 25 = 6976238089 is a prime.
It is a super-2 number, since 2×69762381212 = 97335796641787221282, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6976238131) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387568776 + ... + 387568793.
It is an arithmetic number, because the mean of its divisors is an integer number (1679464735).
Almost surely, 26976238121 is an apocalyptic number.
It is an amenable number.
6976238121 is a deficient number, since it is larger than the sum of its proper divisors (3100550289).
6976238121 is a wasteful number, since it uses less digits than its factorization.
6976238121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 775137575 (or 775137572 counting only the distinct ones).
The product of its digits is 217728, while the sum is 45.
The square root of 6976238121 is about 83523.8775500755. The cubic root of 6976238121 is about 1910.7642127968.
The spelling of 6976238121 in words is "six billion, nine hundred seventy-six million, two hundred thirty-eight thousand, one hundred twenty-one".
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