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11272832380 = 225563641619
BaseRepresentation
bin10100111111110100…
…11100010101111100
31002002121211012220101
422133322130111330
5141041321114010
65102331530444
7546231331345
oct123772342574
932077735811
1011272832380
1148652468a7
1222272b9a24
1310a8602724
1478d2110cc
1545e9d373a
hex29fe9c57c

11272832380 has 12 divisors (see below), whose sum is σ = 23672948040. Its totient is φ = 4509132944.

The previous prime is 11272832341. The next prime is 11272832383. The reversal of 11272832380 is 8323827211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11272832383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281820790 + ... + 281820829.

It is an arithmetic number, because the mean of its divisors is an integer number (1972745670).

Almost surely, 211272832380 is an apocalyptic number.

11272832380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11272832380 is an abundant number, since it is smaller than the sum of its proper divisors (12400115660).

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

11272832380 is a wasteful number, since it uses less digits than its factorization.

11272832380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563641628 (or 563641626 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 11272832380 in words is "eleven billion, two hundred seventy-two million, eight hundred thirty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 563641619 1127283238 2254566476 2818208095 5636416190 11272832380