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11272772080 = 245178288803
BaseRepresentation
bin10100111111110100…
…01101100111110000
31002002121201011012001
422133322031213300
5141041312201310
65102330343344
7546230660503
oct123772154760
932077634161
1011272772080
114865205569
12222728ab54
1310a85b114b
1478d1d713a
1545e9c093a
hex29fe8d9f0

11272772080 has 40 divisors (see below), whose sum is σ = 27750915792. Its totient is φ = 4243866624.

The previous prime is 11272772053. The next prime is 11272772083. The reversal of 11272772080 is 8027727211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11272772083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4143042 + ... + 4145761.

Almost surely, 211272772080 is an apocalyptic number.

11272772080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11272772080 is an abundant number, since it is smaller than the sum of its proper divisors (16478143712).

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

11272772080 is a wasteful number, since it uses less digits than its factorization.

11272772080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8288833 (or 8288827 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 37.

The spelling of 11272772080 in words is "eleven billion, two hundred seventy-two million, seven hundred seventy-two thousand, eighty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 8288803 16577606 33155212 41444015 66310424 82888030 132620848 140909651 165776060 281819302 331552120 563638604 663104240 704548255 1127277208 1409096510 2254554416 2818193020 5636386040 11272772080