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1091092092192 = 2532172936720939
BaseRepresentation
bin11111110000010100010…
…10000001010100100000
310212022022002021011110100
433320022022001110200
5120334024033422232
62153124002102400
7141554164521564
oct17701212012440
93768262234410
101091092092192
11390803050013
1215756464aa00
137bb744302cb
143ab483c56a4
151d5ad915c7c
hexfe0a281520

1091092092192 has 288 divisors, whose sum is σ = 3408020179200. Its totient is φ = 329583550464.

The previous prime is 1091092092169. The next prime is 1091092092203. The reversal of 1091092092192 is 2912902901901.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52097659 + ... + 52118597.

It is an arithmetic number, because the mean of its divisors is an integer number (11833403400).

Almost surely, 21091092092192 is an apocalyptic number.

1091092092192 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 1091092092192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704010089600).

1091092092192 is an abundant number, since it is smaller than the sum of its proper divisors (2316928087008).

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

1091092092192 is a wasteful number, since it uses less digits than its factorization.

1091092092192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21368 (or 21357 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 1091092092192 in words is "one trillion, ninety-one billion, ninety-two million, ninety-two thousand, one hundred ninety-two".