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2682509081 = 73112361793
BaseRepresentation
bin1001111111100011…
…1101011100011001
320220221121120200012
42133320331130121
520443210242311
61122103251305
7123321644120
oct23770753431
96827546605
102682509081
11115722a85a
1262a449b35
133399a13a5
141b639cab7
1510a77c78b
hex9fe3d719

2682509081 has 8 divisors (see below), whose sum is σ = 3164619264. Its totient is φ = 2225122560.

The previous prime is 2682509057. The next prime is 2682509107. The reversal of 2682509081 is 1809052862.

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 2682509081 - 214 = 2682492697 is a prime.

It is a super-2 number, since 2×26825090812 = 14391709939294929122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2682509981) 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, 6180680 + ... + 6181113.

It is an arithmetic number, because the mean of its divisors is an integer number (395577408).

Almost surely, 22682509081 is an apocalyptic number.

It is an amenable number.

2682509081 is a deficient number, since it is larger than the sum of its proper divisors (482110183).

2682509081 is a wasteful number, since it uses less digits than its factorization.

2682509081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12361831.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 2682509081 is about 51792.9443167696. The cubic root of 2682509081 is about 1389.4632575624.

The spelling of 2682509081 in words is "two billion, six hundred eighty-two million, five hundred nine thousand, eighty-one".

Divisors: 1 7 31 217 12361793 86532551 383215583 2682509081