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2688428800 = 2852439769
BaseRepresentation
bin1010000000111110…
…0010101100000000
320221100202100000001
42200033202230000
521001214210200
61122434205344
7123423160561
oct24017425400
96840670001
102688428800
11115a603392
12630423854
1333ac94995
141b70a0168
1510b04b76a
hexa03e2b00

2688428800 has 108 divisors (see below), whose sum is σ = 6809729080. Its totient is φ = 1050255360.

The previous prime is 2688428791. The next prime is 2688428833. The reversal of 2688428800 is 88248862.

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 11 ways as a sum of consecutive naturals, for example, 270316 + ... + 280084.

Almost surely, 22688428800 is an apocalyptic number.

2688428800 is a gapful number since it is divisible by the number (20) 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 2688428800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3404864540).

2688428800 is an abundant number, since it is smaller than the sum of its proper divisors (4121300280).

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

2688428800 is an equidigital number, since it uses as much as digits as its factorization.

2688428800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9838 (or 9819 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 46.

The square root of 2688428800 is about 51850.0607521341. The cubic root of 2688428800 is about 1390.4845885585.

The spelling of 2688428800 in words is "two billion, six hundred eighty-eight million, four hundred twenty-eight thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 43 50 64 80 86 100 128 160 172 200 215 256 320 344 400 430 640 688 800 860 1075 1280 1376 1600 1720 2150 2752 3200 3440 4300 5504 6400 6880 8600 9769 11008 13760 17200 19538 27520 34400 39076 48845 55040 68800 78152 97690 137600 156304 195380 244225 275200 312608 390760 420067 488450 625216 781520 840134 976900 1250432 1563040 1680268 1953800 2100335 2500864 3126080 3360536 3907600 4200670 6252160 6721072 7815200 8401340 10501675 12504320 13442144 15630400 16802680 21003350 26884288 31260800 33605360 42006700 53768576 62521600 67210720 84013400 107537152 134421440 168026800 268842880 336053600 537685760 672107200 1344214400 2688428800