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11018494080 = 2732511237561
BaseRepresentation
bin10100100001100000…
…01110000010000000
31001102220020111100100
422100300032002000
5140031213302310
65021204322400
7540022440306
oct122060160200
931386214310
1011018494080
11474471a760
1221760a3400
131067a014a9
14767526276
154474e3ec0
hex290c0e080

11018494080 has 384 divisors, whose sum is σ = 43317555840. Its totient is φ = 2554675200.

The previous prime is 11018494063. The next prime is 11018494093. The reversal of 11018494080 is 8049481011.

It is a tau number, because it is divible by the number of its divisors (384).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1453500 + ... + 1461060.

It is an arithmetic number, because the mean of its divisors is an integer number (112806135).

Almost surely, 211018494080 is an apocalyptic number.

11018494080 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 11018494080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21658777920).

11018494080 is an abundant number, since it is smaller than the sum of its proper divisors (32299061760).

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

11018494080 is a wasteful number, since it uses less digits than its factorization.

11018494080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620 (or 7605 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 11018494080 in words is "eleven billion, eighteen million, four hundred ninety-four thousand, eighty".