Search a number
-
+
32444431427 is a prime number
BaseRepresentation
bin11110001101110101…
…101011110001000011
310002202002220212220102
4132031311223301003
51012421233301202
622523232433015
72226001055042
oct361565536103
9102662825812
1032444431427
111283a0435a1
1263556a876b
1330a0939625
1417dad52559
15c9d529d02
hex78dd6bc43

32444431427 has 2 divisors, whose sum is σ = 32444431428. Its totient is φ = 32444431426.

The previous prime is 32444431417. The next prime is 32444431429. The reversal of 32444431427 is 72413444423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32444431427 - 212 = 32444427331 is a prime.

It is a super-2 number, since 2×324444314272 (a number of 22 digits) contains 22 as substring.

Together with 32444431429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32444431429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16222215713 + 16222215714.

It is an arithmetic number, because the mean of its divisors is an integer number (16222215714).

Almost surely, 232444431427 is an apocalyptic number.

32444431427 is a deficient number, since it is larger than the sum of its proper divisors (1).

32444431427 is an equidigital number, since it uses as much as digits as its factorization.

32444431427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 38.

The spelling of 32444431427 in words is "thirty-two billion, four hundred forty-four million, four hundred thirty-one thousand, four hundred twenty-seven".