Search a number
-
+
19110164112 = 2434132514519
BaseRepresentation
bin10001110011000011…
…011111011010010000
31211022211010220220000
4101303003133122100
5303114200222422
612440141050000
71244365500114
oct216303373220
954284126800
1019110164112
11811720a166
123853b56900
131a5722c720
14cd4053744
1576ca9acac
hex4730df690

19110164112 has 200 divisors, whose sum is σ = 59815546560. Its totient is φ = 5855328000.

The previous prime is 19110164057. The next prime is 19110164131. The reversal of 19110164112 is 21146101191.

19110164112 is a `hidden beast` number, since 1 + 9 + 1 + 1 + 0 + 1 + 641 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4226589 + ... + 4231107.

Almost surely, 219110164112 is an apocalyptic number.

19110164112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19110164112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29907773280).

19110164112 is an abundant number, since it is smaller than the sum of its proper divisors (40705382448).

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

19110164112 is a wasteful number, since it uses less digits than its factorization.

19110164112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803 (or 4788 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The spelling of 19110164112 in words is "nineteen billion, one hundred ten million, one hundred sixty-four thousand, one hundred twelve".