Search a number
-
+
26771621120 = 285434779131
BaseRepresentation
bin11000111011101101…
…101000010100000000
32120002202112021002222
4120323231220110000
5414312013333440
620144304430212
71635266011346
oct307355502400
976082467088
1026771621120
1110398978212
125231918368
1326a859b43a
14141d793996
15a6a4c22b5
hex63bb68500

26771621120 has 288 divisors, whose sum is σ = 68380139520. Its totient is φ = 10030325760.

The previous prime is 26771621119. The next prime is 26771621207. The reversal of 26771621120 is 2112617762.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204363455 + ... + 204363585.

It is an arithmetic number, because the mean of its divisors is an integer number (237431040).

Almost surely, 226771621120 is an apocalyptic number.

26771621120 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 26771621120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34190069760).

26771621120 is an abundant number, since it is smaller than the sum of its proper divisors (41608518400).

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

26771621120 is a wasteful number, since it uses less digits than its factorization.

26771621120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 26771621120 in words is "twenty-six billion, seven hundred seventy-one million, six hundred twenty-one thousand, one hundred twenty".