Search a number
-
+
28101427196 = 2219834454887
BaseRepresentation
bin11010001010111110…
…011011111111111100
32200112102210102002212
4122022332123333330
5430022431132241
620524251035552
72013244122113
oct321276337774
980472712085
1028101427196
1110a105831a7
12554313bbb8
13285ac4103b
141508232c7a
15ae70edbeb
hex68af9bffc

28101427196 has 24 divisors (see below), whose sum is σ = 52389482880. Its totient is φ = 13150823472.

The previous prime is 28101427169. The next prime is 28101427201. The reversal of 28101427196 is 69172410182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221136 + ... + 2233751.

It is an arithmetic number, because the mean of its divisors is an integer number (2182895120).

Almost surely, 228101427196 is an apocalyptic number.

It is an amenable number.

28101427196 is a deficient number, since it is larger than the sum of its proper divisors (24288055684).

28101427196 is a wasteful number, since it uses less digits than its factorization.

28101427196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454993 (or 4454991 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 28101427196 in words is "twenty-eight billion, one hundred one million, four hundred twenty-seven thousand, one hundred ninety-six".

Divisors: 1 2 4 19 38 76 83 166 332 1577 3154 6308 4454887 8909774 17819548 84642853 169285706 338571412 369755621 739511242 1479022484 7025356799 14050713598 28101427196