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2011740497 = 13732299257
BaseRepresentation
bin111011111101000…
…1011100101010001
312012012110000011022
41313322023211101
513110001143442
6531342325225
7100565340434
oct16772134521
95165400138
102011740497
11942636458
12481889815
13260a281c0
1415127381b
15bb9313d2
hex77e8b951

2011740497 has 16 divisors (see below), whose sum is σ = 2205996240. Its totient is φ = 1823357952.

The previous prime is 2011740473. The next prime is 2011740541. The reversal of 2011740497 is 7940471102.

It can be written as a sum of positive squares in 8 ways, for example, as 56685841 + 1955054656 = 7529^2 + 44216^2 .

It is not a de Polignac number, because 2011740497 - 26 = 2011740433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011740427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212693 + ... + 221949.

It is an arithmetic number, because the mean of its divisors is an integer number (137874765).

Almost surely, 22011740497 is an apocalyptic number.

It is an amenable number.

2011740497 is a deficient number, since it is larger than the sum of its proper divisors (194255743).

2011740497 is a wasteful number, since it uses less digits than its factorization.

2011740497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 2011740497 is about 44852.4302240135. The cubic root of 2011740497 is about 1262.3815913783.

The spelling of 2011740497 in words is "two billion, eleven million, seven hundred forty thousand, four hundred ninety-seven".

Divisors: 1 13 73 229 949 2977 9257 16717 120341 217321 675761 2119853 8784893 27558089 154749269 2011740497