Search a number
-
+
26623468800 = 283552171953
BaseRepresentation
bin11000110010111000…
…011110010100000000
32112201102202100100000
4120302320132110000
5414011102000200
620121453200000
71631516515365
oct306270362400
975642670300
1026623468800
1110322288185
1251b0190000
132683998546
141407c2a46c
15a5c4aa300
hex632e1e500

26623468800 has 1296 divisors, whose sum is σ = 112093450560. Its totient is φ = 6210846720.

The previous prime is 26623468771. The next prime is 26623468831. The reversal of 26623468800 is 886432662.

It is a tau number, because it is divible by the number of its divisors (1296).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 502329574 + ... + 502329626.

It is an arithmetic number, because the mean of its divisors is an integer number (86491860).

Almost surely, 226623468800 is an apocalyptic number.

26623468800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26623468800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56046725280).

26623468800 is an abundant number, since it is smaller than the sum of its proper divisors (85469981760).

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

26623468800 is a wasteful number, since it uses less digits than its factorization.

26623468800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 26623468800 in words is "twenty-six billion, six hundred twenty-three million, four hundred sixty-eight thousand, eight hundred".