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7132006231 = 719235722751
BaseRepresentation
bin1101010010001100…
…11100011101010111
3200102001010110021221
412221012130131113
5104101243144411
63135411351211
7341511024040
oct65106343527
920361113257
107132006231
11302a916929
1214705b2507
1389877493c
144b92bd8c7
152bb1e2071
hex1a919c757

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".

Divisors: 1 7 19 133 2357 16499 22751 44783 159257 313481 432269 3025883 53624107 375368749 1018858033 7132006231