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11091919092 = 2234122544551
BaseRepresentation
bin10100101010010000…
…10100000011110100
31001122000101212112020
422111020110003310
5140204012402332
65032350153140
7541603520352
oct122510240364
931560355466
1011091919092
11478210aa91
1221967b27b0
131079c9bc47
1477319a7d2
1544db9982c
hex2952140f4

11091919092 has 24 divisors (see below), whose sum is σ = 26512393152. Its totient is φ = 3607128000.

The previous prime is 11091919061. The next prime is 11091919117. The reversal of 11091919092 is 29091919011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11271784 + ... + 11272767.

It is an arithmetic number, because the mean of its divisors is an integer number (1104683048).

Almost surely, 211091919092 is an apocalyptic number.

11091919092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11091919092 is an abundant number, since it is smaller than the sum of its proper divisors (15420474060).

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

11091919092 is a wasteful number, since it uses less digits than its factorization.

11091919092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22544599 (or 22544597 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 42.

The spelling of 11091919092 in words is "eleven billion, ninety-one million, nine hundred nineteen thousand, ninety-two".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 22544551 45089102 67633653 90178204 135267306 270534612 924326591 1848653182 2772979773 3697306364 5545959546 11091919092