Search a number
-
+
32422012421 is a prime number
BaseRepresentation
bin11110001100100000…
…001010011000000101
310002200112201212210212
4132030200022120011
51012400013344141
622521112125205
72225306362361
oct361440123005
9102615655725
1032422012421
1112828420897
12634a096805
1330990ba146
1417d7d982a1
15c9b59c2eb
hex78c80a605

32422012421 has 2 divisors, whose sum is σ = 32422012422. Its totient is φ = 32422012420.

The previous prime is 32422012393. The next prime is 32422012481. The reversal of 32422012421 is 12421022423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32274122500 + 147889921 = 179650^2 + 12161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32422012421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32422012481) by changing a digit.

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 as a sum of consecutive naturals, namely, 16211006210 + 16211006211.

It is an arithmetic number, because the mean of its divisors is an integer number (16211006211).

Almost surely, 232422012421 is an apocalyptic number.

It is an amenable number.

32422012421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32422012421 is an equidigital number, since it uses as much as digits as its factorization.

32422012421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 32422012421 its reverse (12421022423), we get a palindrome (44843034844).

The spelling of 32422012421 in words is "thirty-two billion, four hundred twenty-two million, twelve thousand, four hundred twenty-one".