Search a number
-
+
1344229987 is a prime number
BaseRepresentation
bin101000000011111…
…0101001001100011
310110200101221212211
41100013311021203
510223110324422
6341215302551
745211523602
oct12007651143
93420357784
101344229987
1162a867981
1231621aa57
13185652c79
14ca755a39
157d02a577
hex501f5263

1344229987 has 2 divisors, whose sum is σ = 1344229988. Its totient is φ = 1344229986.

The previous prime is 1344229969. The next prime is 1344230021. The reversal of 1344229987 is 7899224431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344229987 - 215 = 1344197219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1344229987.

It is not a weakly prime, because it can be changed into another prime (1344229487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672114993 + 672114994.

It is an arithmetic number, because the mean of its divisors is an integer number (672114994).

Almost surely, 21344229987 is an apocalyptic number.

1344229987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344229987 is an equidigital number, since it uses as much as digits as its factorization.

1344229987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 1344229987 is about 36663.7421303391. The cubic root of 1344229987 is about 1103.6326150470.

The spelling of 1344229987 in words is "one billion, three hundred forty-four million, two hundred twenty-nine thousand, nine hundred eighty-seven".