Base | Representation |
---|---|
bin | 1101001011010100… |
… | …11110111001001001 |
3 | 200021000121221022001 |
4 | 12211222132321021 |
5 | 103442013011041 |
6 | 3125551431001 |
7 | 340210636066 |
oct | 64552367111 |
9 | 20230557261 |
10 | 7074344521 |
11 | 3000312822 |
12 | 1455225461 |
13 | 88983609a |
14 | 4b178dc6d |
15 | 2b6102131 |
hex | 1a5a9ee49 |
7074344521 has 8 divisors (see below), whose sum is σ = 7613278344. Its totient is φ = 6549054720.
The previous prime is 7074344503. The next prime is 7074344527. The reversal of 7074344521 is 1254434707.
It can be written as a sum of positive squares in 4 ways, for example, as 1895383296 + 5178961225 = 43536^2 + 71965^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 7074344521 - 217 = 7074213449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7074344527) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3409930 + ... + 3412003.
It is an arithmetic number, because the mean of its divisors is an integer number (951659793).
Almost surely, 27074344521 is an apocalyptic number.
It is an amenable number.
7074344521 is a deficient number, since it is larger than the sum of its proper divisors (538933823).
7074344521 is a wasteful number, since it uses less digits than its factorization.
7074344521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6822011.
The product of its (nonzero) digits is 94080, while the sum is 37.
The square root of 7074344521 is about 84109.1226978382. The cubic root of 7074344521 is about 1919.6795364492.
The spelling of 7074344521 in words is "seven billion, seventy-four million, three hundred forty-four thousand, five hundred twenty-one".
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