Search a number
-
+
26129316376819 is a prime number
BaseRepresentation
bin1011111000011101101001…
…00111101111000011110011
310102111221022222120122110201
411330032310213233003303
511411100314443024234
6131323350415540031
75334531550424665
oct574166447570363
9112457288518421
1026129316376819
1183644209a5387
122b2005322a617
131176ca39c11a6
14664946802535
15304a3bb47314
hex17c3b49ef0f3

26129316376819 has 2 divisors, whose sum is σ = 26129316376820. Its totient is φ = 26129316376818.

The previous prime is 26129316376729. The next prime is 26129316376853. The reversal of 26129316376819 is 91867361392162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26129316376819 - 211 = 26129316374771 is a prime.

It is a super-4 number, since 4×261293163768194 (a number of 55 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (26129316376519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13064658188409 + 13064658188410.

It is an arithmetic number, because the mean of its divisors is an integer number (13064658188410).

Almost surely, 226129316376819 is an apocalyptic number.

26129316376819 is a deficient number, since it is larger than the sum of its proper divisors (1).

26129316376819 is an equidigital number, since it uses as much as digits as its factorization.

26129316376819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35271936, while the sum is 64.

The spelling of 26129316376819 in words is "twenty-six trillion, one hundred twenty-nine billion, three hundred sixteen million, three hundred seventy-six thousand, eight hundred nineteen".