Base | Representation |
---|---|
bin | 1101010010001100… |
… | …11100011101010111 |
3 | 200102001010110021221 |
4 | 12221012130131113 |
5 | 104101243144411 |
6 | 3135411351211 |
7 | 341511024040 |
oct | 65106343527 |
9 | 20361113257 |
10 | 7132006231 |
11 | 302a916929 |
12 | 14705b2507 |
13 | 89877493c |
14 | 4b92bd8c7 |
15 | 2bb1e2071 |
hex | 1a919c757 |
7132006231 has 16 divisors (see below), whose sum is σ = 8583874560. Its totient is φ = 5788692000.
The previous prime is 7132006201. The next prime is 7132006241. The reversal of 7132006231 is 1326002317.
It is not a de Polignac number, because 7132006231 - 221 = 7129909079 is a prime.
It is a super-2 number, since 2×71320062312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7132006196 and 7132006205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7132006201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302106 + ... + 324856.
It is an arithmetic number, because the mean of its divisors is an integer number (536492160).
Almost surely, 27132006231 is an apocalyptic number.
7132006231 is a deficient number, since it is larger than the sum of its proper divisors (1451868329).
7132006231 is a wasteful number, since it uses less digits than its factorization.
7132006231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25134.
The product of its (nonzero) digits is 1512, while the sum is 25.
The square root of 7132006231 is about 84451.2062140027. The cubic root of 7132006231 is about 1924.8810838781.
Adding to 7132006231 its reverse (1326002317), we get a palindrome (8458008548).
The spelling of 7132006231 in words is "seven billion, one hundred thirty-two million, six thousand, two hundred thirty-one".
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