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28371412108 = 2213545604079
BaseRepresentation
bin11010011011000100…
…010110010010001100
32201020020211001210001
4122123010112102030
5431101040141413
621011133454044
72023033011124
oct323304262214
981206731701
1028371412108
1111039a16926
1255b9641324
1328a1b60020
141532031c84
15b10b7e4dd
hex69b11648c

28371412108 has 12 divisors (see below), whose sum is σ = 53469199840. Its totient is φ = 13094497872.

The previous prime is 28371412103. The next prime is 28371412127. The reversal of 28371412108 is 80121417382.

It is not an unprimeable number, because it can be changed into a prime (28371412103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272801988 + ... + 272802091.

Almost surely, 228371412108 is an apocalyptic number.

It is an amenable number.

28371412108 is a deficient number, since it is larger than the sum of its proper divisors (25097787732).

28371412108 is a wasteful number, since it uses less digits than its factorization.

28371412108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545604096 (or 545604094 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 28371412108 in words is "twenty-eight billion, three hundred seventy-one million, four hundred twelve thousand, one hundred eight".

Divisors: 1 2 4 13 26 52 545604079 1091208158 2182416316 7092853027 14185706054 28371412108