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2686811061 = 3111494491217
BaseRepresentation
bin1010000000100101…
…0111101110110101
320221020201010212210
42200021113232311
521000310423221
61122335404033
7123403342254
oct24011275665
96836633783
102686811061
1111596a8a10
1262b983619
1333a84953c
141b6b9c79b
1510ad2c276
hexa0257bb5

2686811061 has 32 divisors (see below), whose sum is σ = 3946320000. Its totient is φ = 1612513280.

The previous prime is 2686811059. The next prime is 2686811069. The reversal of 2686811061 is 1601186862.

2686811061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2686811061 - 21 = 2686811059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686811069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2207125 + ... + 2208341.

It is an arithmetic number, because the mean of its divisors is an integer number (123322500).

Almost surely, 22686811061 is an apocalyptic number.

It is an amenable number.

2686811061 is a deficient number, since it is larger than the sum of its proper divisors (1259508939).

2686811061 is a wasteful number, since it uses less digits than its factorization.

2686811061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 2686811061 is about 51834.4582396691. The cubic root of 2686811061 is about 1390.2056285339.

The spelling of 2686811061 in words is "two billion, six hundred eighty-six million, eight hundred eleven thousand, sixty-one".

Divisors: 1 3 11 33 149 447 449 1217 1347 1639 3651 4917 4939 13387 14817 40161 66901 181333 200703 543999 546433 735911 1639299 1994663 2207733 5983989 6010763 18032289 81418517 244255551 895603687 2686811061