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28411395012 = 2232721113235983
BaseRepresentation
bin11010011101011100…
…110111101111000100
32201100001001102000100
4122131130313233010
5431141304120022
621015122444100
72024026605300
oct323534675704
981301042010
1028411395012
111105a545650
12560ab03630
1328aa21bb50
14153747cd00
15b1442b1ac
hex69d737bc4

28411395012 has 864 divisors, whose sum is σ = 105406479360. Its totient is φ = 6328143360.

The previous prime is 28411394987. The next prime is 28411395013. The reversal of 28411395012 is 21059311482.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (28411395013) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 342305923 + ... + 342306005.

It is an arithmetic number, because the mean of its divisors is an integer number (121998240).

Almost surely, 228411395012 is an apocalyptic number.

28411395012 is a gapful number since it is divisible by the number (22) 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 28411395012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52703239680).

28411395012 is an abundant number, since it is smaller than the sum of its proper divisors (76995084348).

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

28411395012 is a wasteful number, since it uses less digits than its factorization.

28411395012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 28411395012 in words is "twenty-eight billion, four hundred eleven million, three hundred ninety-five thousand, twelve".