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2011280752 = 24139669619
BaseRepresentation
bin111011111100001…
…1011010101110000
312012011120122111201
41313320123111300
513104341441002
6531324420544
7100561414165
oct16770332560
95164518451
102011280752
11942351aa8
124816a7754
132608c6b70
1415119406c
15bb890087
hex77e1b570

2011280752 has 20 divisors (see below), whose sum is σ = 4196615080. Its totient is φ = 928283328.

The previous prime is 2011280731. The next prime is 2011280767. The reversal of 2011280752 is 2570821102.

It is a self number, because there is not a number n which added to its sum of digits gives 2011280752.

It is a congruent number.

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, 4834602 + ... + 4835017.

It is an arithmetic number, because the mean of its divisors is an integer number (209830754).

Almost surely, 22011280752 is an apocalyptic number.

It is an amenable number.

2011280752 is an abundant number, since it is smaller than the sum of its proper divisors (2185334328).

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

2011280752 is a wasteful number, since it uses less digits than its factorization.

2011280752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9669640 (or 9669634 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 2011280752 is about 44847.3048465568. The cubic root of 2011280752 is about 1262.2854196235.

The spelling of 2011280752 in words is "two billion, eleven million, two hundred eighty thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 9669619 19339238 38678476 77356952 125705047 154713904 251410094 502820188 1005640376 2011280752