Search a number
-
+
13415144551 is a prime number
BaseRepresentation
bin11000111111001101…
…01101110001100111
31021121220221221201121
430133212231301213
5204433234111201
610055101034411
7653303563414
oct143746556147
937556857647
1013415144551
115764554726
122724855a07
13135a3b6673
1491395310b
15537b079a1
hex31f9adc67

13415144551 has 2 divisors, whose sum is σ = 13415144552. Its totient is φ = 13415144550.

The previous prime is 13415144497. The next prime is 13415144557. The reversal of 13415144551 is 15544151431.

It is a strong prime.

It is an emirp because it is prime and its reverse (15544151431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13415144551 - 221 = 13413047399 is a prime.

It is a super-2 number, since 2×134151445512 (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 (13415144557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6707572275 + 6707572276.

It is an arithmetic number, because the mean of its divisors is an integer number (6707572276).

Almost surely, 213415144551 is an apocalyptic number.

13415144551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13415144551 is an equidigital number, since it uses as much as digits as its factorization.

13415144551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24000, while the sum is 34.

Adding to 13415144551 its reverse (15544151431), we get a palindrome (28959295982).

The spelling of 13415144551 in words is "thirteen billion, four hundred fifteen million, one hundred forty-four thousand, five hundred fifty-one".