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26132478468 = 22323263521691
BaseRepresentation
bin11000010101100111…
…011111101000000100
32111110012212110012220
4120111213133220010
5412004403302333
620001033412340
71613405254605
oct302547375004
974405773186
1026132478468
11100a0114948
12509386a0b0
132606049315
14139c93bdac
15a2e3218b3
hex6159dfa04

26132478468 has 96 divisors (see below), whose sum is σ = 64084027392. Its totient is φ = 8272492800.

The previous prime is 26132478403. The next prime is 26132478473. The reversal of 26132478468 is 86487423162.

It is a self number, because there is not a number n which added to its sum of digits gives 26132478468.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 37818003 + ... + 37818693.

It is an arithmetic number, because the mean of its divisors is an integer number (667541952).

Almost surely, 226132478468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26132478468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32042013696).

26132478468 is an abundant number, since it is smaller than the sum of its proper divisors (37951548924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26132478468 is a wasteful number, since it uses less digits than its factorization.

26132478468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505 (or 1503 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The spelling of 26132478468 in words is "twenty-six billion, one hundred thirty-two million, four hundred seventy-eight thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 263 276 521 526 691 789 1042 1052 1382 1563 1578 2073 2084 2764 3126 3156 4146 6049 6252 8292 11983 12098 15893 18147 23966 24196 31786 35949 36294 47679 47932 63572 71898 72588 95358 137023 143796 181733 190716 274046 360011 363466 411069 545199 548092 720022 726932 822138 1080033 1090398 1440044 1644276 2160066 2180796 3151529 4179859 4320132 6303058 8280253 8359718 9454587 12539577 12606116 16560506 16719436 18909174 24840759 25079154 33121012 37818348 49681518 50158308 94682893 99363036 189365786 284048679 378731572 568097358 1136194716 2177706539 4355413078 6533119617 8710826156 13066239234 26132478468