Base | Representation |
---|---|
bin | 10111011010100110… |
… | …00100000010001000 |
3 | 1012110002210200012222 |
4 | 23231103010002020 |
5 | 201221202211130 |
6 | 5435230553212 |
7 | 623344600505 |
oct | 135523040210 |
9 | 35402720188 |
10 | 12571132040 |
11 | 5371092625 |
12 | 252a068808 |
13 | 125459378c |
14 | 87380c4ac |
15 | 4d8989ce5 |
hex | 2ed4c4088 |
12571132040 has 64 divisors (see below), whose sum is σ = 28577482560. Its totient is φ = 4976674560.
The previous prime is 12571132039. The next prime is 12571132073. The reversal of 12571132040 is 4023117521.
It is a super-2 number, since 2×125711320402 (a number of 21 digits) contains 22 as substring.
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 15 ways as a sum of consecutive naturals, for example, 2077259 + ... + 2083301.
It is an arithmetic number, because the mean of its divisors is an integer number (446523165).
Almost surely, 212571132040 is an apocalyptic number.
12571132040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12571132040 is an abundant number, since it is smaller than the sum of its proper divisors (16006350520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12571132040 is a wasteful number, since it uses less digits than its factorization.
12571132040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6582 (or 6578 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 26.
Adding to 12571132040 its reverse (4023117521), we get a palindrome (16594249561).
It can be divided in two parts, 125711 and 32040, that added together give a palindrome (157751).
The spelling of 12571132040 in words is "twelve billion, five hundred seventy-one million, one hundred thirty-two thousand, forty".
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