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2680033081 = 111012412271
BaseRepresentation
bin1001111110111110…
…0000111100111001
320220202221210020111
42133233200330321
520442042024311
61121534224321
7123261622345
oct23757407471
96822853214
102680033081
111155899580
126296550a1
133393153bb
141b5d16625
1510a43dd21
hex9fbe0f39

2680033081 has 8 divisors (see below), whose sum is σ = 2952620928. Its totient is φ = 2412270000.

The previous prime is 2680033043. The next prime is 2680033127. The reversal of 2680033081 is 1803300862.

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 2680033081 - 227 = 2545815353 is a prime.

It is a super-2 number, since 2×26800330812 = 14365154630508705122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680033021) 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, 1205025 + ... + 1207246.

It is an arithmetic number, because the mean of its divisors is an integer number (369077616).

Almost surely, 22680033081 is an apocalyptic number.

It is an amenable number.

2680033081 is a deficient number, since it is larger than the sum of its proper divisors (272587847).

2680033081 is a wasteful number, since it uses less digits than its factorization.

2680033081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412383.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2680033081 is about 51769.0359288253. The cubic root of 2680033081 is about 1389.0356268191.

The spelling of 2680033081 in words is "two billion, six hundred eighty million, thirty-three thousand, eighty-one".

Divisors: 1 11 101 1111 2412271 26534981 243639371 2680033081