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2685002012 = 2271154715937
BaseRepresentation
bin1010000000001001…
…1110000100011100
320221010022020022222
42200002132010130
520444330031022
61122232524512
7123352066130
oct24002360434
96833266288
102685002012
111158682830
1262b250738
1333a364cb4
141b684b3c0
1510aac1242
hexa009e11c

2685002012 has 48 divisors (see below), whose sum is σ = 5869264128. Its totient is φ = 1044126720.

The previous prime is 2685002011. The next prime is 2685002053. The reversal of 2685002012 is 2102005862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685002011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160508 + ... + 176444.

It is an arithmetic number, because the mean of its divisors is an integer number (122276336).

Almost surely, 22685002012 is an apocalyptic number.

2685002012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2685002012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2934632064).

2685002012 is an abundant number, since it is smaller than the sum of its proper divisors (3184262116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2685002012 is a wasteful number, since it uses less digits than its factorization.

2685002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16506 (or 16504 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2685002012 is about 51817.0050466061. The cubic root of 2685002012 is about 1389.8935467014.

Adding to 2685002012 its reverse (2102005862), we get a palindrome (4787007874).

The spelling of 2685002012 in words is "two billion, six hundred eighty-five million, two thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 547 1094 2188 3829 6017 7658 12034 15316 15937 24068 31874 42119 63748 84238 111559 168476 175307 223118 350614 446236 701228 1227149 2454298 4908596 8717539 17435078 34870156 61022773 95892929 122045546 191785858 244091092 383571716 671250503 1342501006 2685002012