Search a number
-
+
15104434941979 is a prime number
BaseRepresentation
bin1101101111001100011001…
…1110101011000000011011
31222110222012001010010011121
43123303012132223000123
53434432340321120404
652042514232510111
73116154656434105
oct333630636530033
958428161103147
1015104434941979
1148a3833831189
12183b41084b337
1385745a7a7736
143a30b6948575
151b2d7addae54
hexdbcc67ab01b

15104434941979 has 2 divisors, whose sum is σ = 15104434941980. Its totient is φ = 15104434941978.

The previous prime is 15104434941949. The next prime is 15104434941983. The reversal of 15104434941979 is 97914943440151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15104434941979 - 219 = 15104434417691 is a prime.

It is not a weakly prime, because it can be changed into another prime (15104434941949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7552217470989 + 7552217470990.

It is an arithmetic number, because the mean of its divisors is an integer number (7552217470990).

Almost surely, 215104434941979 is an apocalyptic number.

15104434941979 is a deficient number, since it is larger than the sum of its proper divisors (1).

15104434941979 is an equidigital number, since it uses as much as digits as its factorization.

15104434941979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 15104434941979 in words is "fifteen trillion, one hundred four billion, four hundred thirty-four million, nine hundred forty-one thousand, nine hundred seventy-nine".