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11151494720 = 26534848421
BaseRepresentation
bin10100110001010111…
…00100111001000000
31001210011111121220222
422120223210321000
5140314240312340
65042315122212
7543226066262
oct123053447100
931704447828
1011151494720
114802801043
1221b2743368
13108942a9b2
1477b067b32
154540168b5
hex298ae4e40

11151494720 has 28 divisors (see below), whose sum is σ = 26554497564. Its totient is φ = 4460597760.

The previous prime is 11151494689. The next prime is 11151494771. The reversal of 11151494720 is 2749415111.

It can be written as a sum of positive squares in 2 ways, for example, as 8270811136 + 2880683584 = 90944^2 + 53672^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17423891 + ... + 17424530.

It is an arithmetic number, because the mean of its divisors is an integer number (948374913).

Almost surely, 211151494720 is an apocalyptic number.

11151494720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11151494720 is an abundant number, since it is smaller than the sum of its proper divisors (15403002844).

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

11151494720 is an equidigital number, since it uses as much as digits as its factorization.

11151494720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34848438 (or 34848428 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 11151494720 in words is "eleven billion, one hundred fifty-one million, four hundred ninety-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 34848421 69696842 139393684 174242105 278787368 348484210 557574736 696968420 1115149472 1393936840 2230298944 2787873680 5575747360 11151494720