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11121496680 = 23357253127281
BaseRepresentation
bin10100101101110010…
…01001001001101000
31001201002001120100110
422112321021021220
5140234100343210
65035324134320
7542413106400
oct122671111150
931632046313
1011121496680
114797882078
1221a46973a0
131083156888
14777099800
1545158d420
hex296e49268

11121496680 has 384 divisors, whose sum is σ = 39997255680. Its totient is φ = 2465648640.

The previous prime is 11121496609. The next prime is 11121496691. The reversal of 11121496680 is 8669412111.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39578140 + ... + 39578420.

It is an arithmetic number, because the mean of its divisors is an integer number (104159520).

Almost surely, 211121496680 is an apocalyptic number.

11121496680 is a gapful number since it is divisible by the number (10) 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 11121496680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19998627840).

11121496680 is an abundant number, since it is smaller than the sum of its proper divisors (28875759000).

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

11121496680 is a wasteful number, since it uses less digits than its factorization.

11121496680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 11121496680 in words is "eleven billion, one hundred twenty-one million, four hundred ninety-six thousand, six hundred eighty".