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28134050000 = 24557312593
BaseRepresentation
bin11010001100111010…
…111000100011010000
32200121201011211011212
4122030322320203100
5430104304100000
620531414155252
72014121323250
oct321472704320
980551154155
1028134050000
1110a27a351a1
125552052b28
132864923a84
14150c6c5960
15ae9de4c35
hex68ceb88d0

28134050000 has 240 divisors, whose sum is σ = 80408853504. Its totient is φ = 9331200000.

The previous prime is 28134049997. The next prime is 28134050003. The reversal of 28134050000 is 5043182.

It is an interprime number because it is at equal distance from previous prime (28134049997) and next prime (28134050003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28134050003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10848704 + ... + 10851296.

Almost surely, 228134050000 is an apocalyptic number.

28134050000 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 28134050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40204426752).

28134050000 is an abundant number, since it is smaller than the sum of its proper divisors (52274803504).

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

28134050000 is an equidigital number, since it uses as much as digits as its factorization.

28134050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 28134050000 its reverse (5043182), we get a palindrome (28139093182).

The spelling of 28134050000 in words is "twenty-eight billion, one hundred thirty-four million, fifty thousand".