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2082040769 = 18523112403
BaseRepresentation
bin111110000011001…
…0110101111000001
312101002201122000002
41330012112233001
513231000301034
6542333205345
7102411024464
oct17406265701
95332648002
102082040769
11979292056
124a1330855
132724705b3
1415a7332db
15c2bbae7e
hex7c196bc1

2082040769 has 4 divisors (see below), whose sum is σ = 2082171696. Its totient is φ = 2081909844.

The previous prime is 2082040757. The next prime is 2082040777. The reversal of 2082040769 is 9670402802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2082040769 is a prime.

It is a super-2 number, since 2×20820407692 = 8669787527556222722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2082040789) 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, 37679 + ... + 74724.

It is an arithmetic number, because the mean of its divisors is an integer number (520542924).

Almost surely, 22082040769 is an apocalyptic number.

It is an amenable number.

2082040769 is a deficient number, since it is larger than the sum of its proper divisors (130927).

2082040769 is a wasteful number, since it uses less digits than its factorization.

2082040769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130926.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2082040769 is about 45629.3849290126. The cubic root of 2082040769 is about 1276.9181982139.

The spelling of 2082040769 in words is "two billion, eighty-two million, forty thousand, seven hundred sixty-nine".

Divisors: 1 18523 112403 2082040769