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2740120549 = 19612364211
BaseRepresentation
bin1010001101010010…
…1110101111100101
321001222000112202021
42203110232233211
521102432324144
61131522143141
7124621432435
oct24324565745
97058015667
102740120549
1111867aa141
126457b1ab1
133488c310a
141bdcb82c5
1511085c884
hexa352ebe5

2740120549 has 8 divisors (see below), whose sum is σ = 2931622880. Its totient is φ = 2553346800.

The previous prime is 2740120541. The next prime is 2740120561. The reversal of 2740120549 is 9450210472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2740120549 - 23 = 2740120541 is a prime.

It is a super-2 number, since 2×27401205492 = 15016521246104122802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740120541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1180947 + ... + 1183264.

It is an arithmetic number, because the mean of its divisors is an integer number (366452860).

Almost surely, 22740120549 is an apocalyptic number.

It is an amenable number.

2740120549 is a deficient number, since it is larger than the sum of its proper divisors (191502331).

2740120549 is a wasteful number, since it uses less digits than its factorization.

2740120549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364291.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2740120549 is about 52346.1607856775. The cubic root of 2740120549 is about 1399.3399182507.

The spelling of 2740120549 in words is "two billion, seven hundred forty million, one hundred twenty thousand, five hundred forty-nine".

Divisors: 1 19 61 1159 2364211 44920009 144216871 2740120549