Base | Representation |
---|---|
bin | 10110010110111000… |
… | …11110100001010001 |
3 | 1010222112002102220211 |
4 | 23023130132201101 |
5 | 144040303040411 |
6 | 5303021404121 |
7 | 603310204534 |
oct | 131334364121 |
9 | 33875072824 |
10 | 12003174481 |
11 | 50aa52a711 |
12 | 23aba09641 |
13 | 1193a0670c |
14 | 81c206a1b |
15 | 4a3b9b221 |
hex | 2cb71e851 |
12003174481 has 9 divisors (see below), whose sum is σ = 12149426523. Its totient is φ = 11858666160.
The previous prime is 12003174457. The next prime is 12003174497. The reversal of 12003174481 is 18447130021.
The square root of 12003174481 is 109559.
It is a perfect power (a square), and thus also a powerful number.
12003174481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 2304864081 + 9698310400 = 48009^2 + 98480^2 .
It is not a de Polignac number, because 12003174481 - 27 = 12003174353 is a prime.
It is a super-2 number, since 2×120031744812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12003174451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9750136 + ... + 9751366.
Almost surely, 212003174481 is an apocalyptic number.
12003174481 is the 109559-th square number.
12003174481 is the 54780-th centered octagonal number.
It is an amenable number.
12003174481 is a deficient number, since it is larger than the sum of its proper divisors (146252042).
12003174481 is an frugal number, since it uses more digits than its factorization.
12003174481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2640 (or 1320 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 31.
The spelling of 12003174481 in words is "twelve billion, three million, one hundred seventy-four thousand, four hundred eighty-one".
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