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2668437285 = 35624728477
BaseRepresentation
bin1001111100001101…
…0001111100100101
320212222010122210120
42133003101330211
520431104443120
61120441512153
7123061225353
oct23703217445
96788118716
102668437285
11114a299478
126257a2659
13336ab5397
141b45787d3
151093ed140
hex9f0d1f25

2668437285 has 16 divisors (see below), whose sum is σ = 4270333056. Its totient is φ = 1422888768.

The previous prime is 2668437263. The next prime is 2668437329. The reversal of 2668437285 is 5827348662.

It is not a de Polignac number, because 2668437285 - 26 = 2668437221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79467 + ... + 107943.

It is an arithmetic number, because the mean of its divisors is an integer number (266895816).

Almost surely, 22668437285 is an apocalyptic number.

It is an amenable number.

2668437285 is a deficient number, since it is larger than the sum of its proper divisors (1601895771).

2668437285 is a wasteful number, since it uses less digits than its factorization.

2668437285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34732.

The product of its digits is 3870720, while the sum is 51.

The square root of 2668437285 is about 51656.9190428543. The cubic root of 2668437285 is about 1387.0294003426.

The spelling of 2668437285 in words is "two billion, six hundred sixty-eight million, four hundred thirty-seven thousand, two hundred eighty-five".

Divisors: 1 3 5 15 6247 18741 28477 31235 85431 93705 142385 427155 177895819 533687457 889479095 2668437285