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28101427194 = 234683571199
BaseRepresentation
bin11010001010111110…
…011011111111111010
32200112102210102002210
4122022332123333322
5430022431132234
620524251035550
72013244122111
oct321276337772
980472712083
1028101427194
1110a105831a5
12554313bbb6
13285ac41039
141508232c78
15ae70edbe9
hex68af9bffa

28101427194 has 8 divisors (see below), whose sum is σ = 56202854400. Its totient is φ = 9367142396.

The previous prime is 28101427169. The next prime is 28101427201. The reversal of 28101427194 is 49172410182.

It is a sphenic number, since it is the product of 3 distinct primes.

28101427194 is an admirable number.

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, 2341785594 + ... + 2341785605.

It is an arithmetic number, because the mean of its divisors is an integer number (7025356800).

Almost surely, 228101427194 is an apocalyptic number.

28101427194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28101427194 is a wasteful number, since it uses less digits than its factorization.

28101427194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683571204.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 28101427194 in words is "twenty-eight billion, one hundred one million, four hundred twenty-seven thousand, one hundred ninety-four".

Divisors: 1 2 3 6 4683571199 9367142398 14050713597 28101427194