Search a number
-
+
26796019789 = 7112191665073
BaseRepresentation
bin11000111101001010…
…101101000001001101
32120011110102211210101
4120331022231001031
5414334240113124
620150535411101
71636013260450
oct307512550115
976143384711
1026796019789
1110400722300
125239b23a91
1326b0661a16
141422b05497
15a6c6e1644
hex63d2ad04d

26796019789 has 24 divisors (see below), whose sum is σ = 35432774720. Its totient is φ = 19781055360.

The previous prime is 26796019741. The next prime is 26796019813. The reversal of 26796019789 is 98791069762.

It is not a de Polignac number, because 26796019789 - 211 = 26796017741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26796019789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26796019729) 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 in 23 ways as a sum of consecutive naturals, for example, 816444 + ... + 848629.

Almost surely, 226796019789 is an apocalyptic number.

It is an amenable number.

26796019789 is a deficient number, since it is larger than the sum of its proper divisors (8636754931).

26796019789 is a wasteful number, since it uses less digits than its factorization.

26796019789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665121 (or 1665110 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 64.

The spelling of 26796019789 in words is "twenty-six billion, seven hundred ninety-six million, nineteen thousand, seven hundred eighty-nine".

Divisors: 1 7 11 19 77 121 133 209 847 1463 2299 16093 1665073 11655511 18315803 31636387 128210621 201473833 221454709 348000257 1410316831 2436001799 3828002827 26796019789