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26681200000 = 2755713733
BaseRepresentation
bin11000110110010100…
…101100110110000000
32112212110101101122121
4120312110230312000
5414120341400000
620131314414024
71633120313050
oct306624546600
975773341577
1026681200000
1110351929514
125207591314
13269292c910
141411777560
15a625b0b1a
hex63652cd80

26681200000 has 384 divisors, whose sum is σ = 81881634240. Its totient is φ = 8432640000.

The previous prime is 26681199983. The next prime is 26681200027. The reversal of 26681200000 is 218662.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36399634 + ... + 36400366.

Almost surely, 226681200000 is an apocalyptic number.

26681200000 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 26681200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40940817120).

26681200000 is an abundant number, since it is smaller than the sum of its proper divisors (55200434240).

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

26681200000 is an frugal number, since it uses more digits than its factorization.

26681200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 26681200000 its reverse (218662), we get a palindrome (26681418662).

The spelling of 26681200000 in words is "twenty-six billion, six hundred eighty-one million, two hundred thousand".