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42199199168 = 26794194641
BaseRepresentation
bin100111010011010001…
…001010110111000000
311000220221020102121112
4213103101022313000
51142410443333133
631215215142452
73022510163120
oct472321126700
9130827212545
1042199199168
1116995390a15
128218514a28
133c96893549
1420846bac80
15116eae6648
hex9d344adc0

42199199168 has 28 divisors (see below), whose sum is σ = 95701756272. Its totient is φ = 18085370880.

The previous prime is 42199199167. The next prime is 42199199209. The reversal of 42199199168 is 86199199124.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42199199167) 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, 47096873 + ... + 47097768.

Almost surely, 242199199168 is an apocalyptic number.

It is an amenable number.

42199199168 is an abundant number, since it is smaller than the sum of its proper divisors (53502557104).

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

42199199168 is an equidigital number, since it uses as much as digits as its factorization.

42199199168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94194660 (or 94194650 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 59.

The spelling of 42199199168 in words is "forty-two billion, one hundred ninety-nine million, one hundred ninety-nine thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 94194641 188389282 376778564 659362487 753557128 1318724974 1507114256 2637449948 3014228512 5274899896 6028457024 10549799792 21099599584 42199199168