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2664684100 = 22521313115647
BaseRepresentation
bin1001111011010011…
…1101101001000100
320212201001222101201
42132310331221010
520424124342400
61120225232244
7123014304211
oct23664755104
96781058351
102664684100
111148165671
12624492684
1333609cc70
141b3c7cb08
15108e0b06a
hex9ed3da44

2664684100 has 72 divisors (see below), whose sum is σ = 6275098368. Its totient is φ = 976310400.

The previous prime is 2664684097. The next prime is 2664684107. The reversal of 2664684100 is 14864662.

It is a self number, because there is not a number n which added to its sum of digits gives 2664684100.

It is not an unprimeable number, because it can be changed into a prime (2664684107) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 162477 + ... + 178123.

It is an arithmetic number, because the mean of its divisors is an integer number (87154144).

Almost surely, 22664684100 is an apocalyptic number.

2664684100 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 2664684100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3137549184).

2664684100 is an abundant number, since it is smaller than the sum of its proper divisors (3610414268).

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

2664684100 is a wasteful number, since it uses less digits than its factorization.

2664684100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805 (or 15798 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2664684100 is about 51620.5782609998. The cubic root of 2664684100 is about 1386.3788047627.

The spelling of 2664684100 in words is "two billion, six hundred sixty-four million, six hundred eighty-four thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 131 260 262 325 524 650 655 1300 1310 1703 2620 3275 3406 6550 6812 8515 13100 15647 17030 31294 34060 42575 62588 78235 85150 156470 170300 203411 312940 391175 406822 782350 813644 1017055 1564700 2034110 2049757 4068220 4099514 5085275 8199028 10170550 10248785 20341100 20497570 26646841 40995140 51243925 53293682 102487850 106587364 133234205 204975700 266468410 532936820 666171025 1332342050 2664684100