Base | Representation |
---|---|
bin | 10011011000010000… |
… | …01110101100001000 |
3 | 222212002000112210101 |
4 | 21230020032230020 |
5 | 132301412444430 |
6 | 4440214255144 |
7 | 515551543411 |
oct | 115410165410 |
9 | 28762015711 |
10 | 10404031240 |
11 | 4459893729 |
12 | 20243574b4 |
13 | c9a610905 |
14 | 709a96808 |
15 | 40d5badca |
hex | 26c20eb08 |
10404031240 has 32 divisors (see below), whose sum is σ = 23438079000. Its totient is φ = 4156455424.
The previous prime is 10404031223. The next prime is 10404031273. The reversal of 10404031240 is 4213040401.
It can be written as a sum of positive squares in 4 ways, for example, as 8651604196 + 1752427044 = 93014^2 + 41862^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128395 + ... + 193114.
Almost surely, 210404031240 is an apocalyptic number.
10404031240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10404031240 is an abundant number, since it is smaller than the sum of its proper divisors (13034047760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10404031240 is a wasteful number, since it uses less digits than its factorization.
10404031240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 322329 (or 322325 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 10404031240 its reverse (4213040401), we get a palindrome (14617071641).
The spelling of 10404031240 in words is "ten billion, four hundred four million, thirty-one thousand, two hundred forty".
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