Search a number
-
+
12369737431 is a prime number
BaseRepresentation
bin10111000010100101…
…10011011011010111
31011221001211202202101
423201102303123113
5200313123044211
65403234222531
7615351014302
oct134122633327
934831752671
1012369737431
1152784378a7
122492724a47
13122193b77c
14854b85b39
154c5e575c1
hex2e14b36d7

12369737431 has 2 divisors, whose sum is σ = 12369737432. Its totient is φ = 12369737430.

The previous prime is 12369737407. The next prime is 12369737477. The reversal of 12369737431 is 13473796321.

It is an a-pointer prime, because the next prime (12369737477) can be obtained adding 12369737431 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12369737431 is a prime.

It is a super-2 number, since 2×123697374312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12369737491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6184868715 + 6184868716.

It is an arithmetic number, because the mean of its divisors is an integer number (6184868716).

Almost surely, 212369737431 is an apocalyptic number.

12369737431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12369737431 is an equidigital number, since it uses as much as digits as its factorization.

12369737431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The spelling of 12369737431 in words is "twelve billion, three hundred sixty-nine million, seven hundred thirty-seven thousand, four hundred thirty-one".