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19100000092 = 224775000023
BaseRepresentation
bin10001110010011100…
…101101111101011100
31211022010000112110211
4101302130231331130
5303104100000332
612435135142204
71244213215315
oct216234557534
954263015424
1019100000092
1181114a7848
123850674964
131a550b1304
14cd296960c
1576bc3e447
hex47272df5c

19100000092 has 6 divisors (see below), whose sum is σ = 33425000168. Its totient is φ = 9550000044.

The previous prime is 19100000081. The next prime is 19100000093. The reversal of 19100000092 is 29000000191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19100000093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2387500008 + ... + 2387500015.

Almost surely, 219100000092 is an apocalyptic number.

It is an amenable number.

19100000092 is a deficient number, since it is larger than the sum of its proper divisors (14325000076).

19100000092 is a wasteful number, since it uses less digits than its factorization.

19100000092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775000027 (or 4775000025 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

Multiplying 19100000092 by its sum of digits (22), we get a palindrome (420200002024).

Subtracting 19100000092 from its reverse (29000000191), we obtain a palindrome (9900000099).

The spelling of 19100000092 in words is "nineteen billion, one hundred million, ninety-two", and thus it is an aban number.

Divisors: 1 2 4 4775000023 9550000046 19100000092