Search a number
-
+
26151551983 is a prime number
BaseRepresentation
bin11000010110110000…
…010000001111101111
32111111112202111011101
4120112300100033233
5412024244130413
620002554303531
71614026344534
oct302660201757
974445674141
1026151551983
11100aa962087
12509a127ba7
132609c96b1b
1413a12a4d8b
15a30d3cedd
hex616c103ef

26151551983 has 2 divisors, whose sum is σ = 26151551984. Its totient is φ = 26151551982.

The previous prime is 26151551969. The next prime is 26151552029. The reversal of 26151551983 is 38915515162.

It is an a-pointer prime, because the next prime (26151552029) can be obtained adding 26151551983 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26151551983 - 225 = 26117997551 is a prime.

It is a super-2 number, since 2×261515519832 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26151551903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13075775991 + 13075775992.

It is an arithmetic number, because the mean of its divisors is an integer number (13075775992).

Almost surely, 226151551983 is an apocalyptic number.

26151551983 is a deficient number, since it is larger than the sum of its proper divisors (1).

26151551983 is an equidigital number, since it uses as much as digits as its factorization.

26151551983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 46.

The spelling of 26151551983 in words is "twenty-six billion, one hundred fifty-one million, five hundred fifty-one thousand, nine hundred eighty-three".