Search a number
-
+
26966101280 = 255168538133
BaseRepresentation
bin11001000111010011…
…100000110100100000
32120121022110212201212
4121013103200310200
5420211310220110
620215453045252
71643150036036
oct310723406440
976538425655
1026966101280
1110488730018
125286a86828
132709972161
14143b53a556
15a7c5dae05
hex6474e0d20

26966101280 has 24 divisors (see below), whose sum is σ = 63707414652. Its totient is φ = 10786440448.

The previous prime is 26966101273. The next prime is 26966101333. The reversal of 26966101280 is 8210166962.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26871077776 + 95023504 = 163924^2 + 9748^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84268907 + ... + 84269226.

Almost surely, 226966101280 is an apocalyptic number.

26966101280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26966101280 is an abundant number, since it is smaller than the sum of its proper divisors (36741313372).

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

26966101280 is a wasteful number, since it uses less digits than its factorization.

26966101280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168538148 (or 168538140 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 26966101280 in words is "twenty-six billion, nine hundred sixty-six million, one hundred one thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 168538133 337076266 674152532 842690665 1348305064 1685381330 2696610128 3370762660 5393220256 6741525320 13483050640 26966101280