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2686201368 = 233618572141
BaseRepresentation
bin1010000000011100…
…0010111000011000
320221012120011112120
42200013002320120
521000131420433
61122314341240
7123365222604
oct24007027030
96835504476
102686201368
111159321934
1262b72a820
1333a694b86
141b6a80504
1510ac5b7b3
hexa01c2e18

2686201368 has 64 divisors (see below), whose sum is σ = 6836749920. Its totient is φ = 879283200.

The previous prime is 2686201351. The next prime is 2686201381. The reversal of 2686201368 is 8631026862.

It is a congruent number.

It is an unprimeable number.

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, 1253578 + ... + 1255718.

Almost surely, 22686201368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2686201368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3418374960).

2686201368 is an abundant number, since it is smaller than the sum of its proper divisors (4150548552).

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

2686201368 is a wasteful number, since it uses less digits than its factorization.

2686201368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068 (or 3064 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 2686201368 is about 51828.5767506691. The cubic root of 2686201368 is about 1390.1004651088.

The spelling of 2686201368 in words is "two billion, six hundred eighty-six million, two hundred one thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 61 122 183 244 366 488 732 857 1464 1714 2141 2571 3428 4282 5142 6423 6856 8564 10284 12846 17128 20568 25692 51384 52277 104554 130601 156831 209108 261202 313662 391803 418216 522404 627324 783606 1044808 1254648 1567212 1834837 3134424 3669674 5504511 7339348 11009022 14678696 22018044 44036088 111925057 223850114 335775171 447700228 671550342 895400456 1343100684 2686201368