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2102143344 = 243713745667
BaseRepresentation
bin111110101001100…
…0010100101110000
312102111112221112220
41331103002211300
513301122041334
6544332121040
7103043631540
oct17523024560
95374487486
102102143344
11989672454
124a8006180
1327668b602
1415d287320
15c483c449
hex7d4c2970

2102143344 has 80 divisors (see below), whose sum is σ = 6251766528. Its totient is φ = 596215296.

The previous prime is 2102143333. The next prime is 2102143361. The reversal of 2102143344 is 4433412012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23199 + ... + 68865.

Almost surely, 22102143344 is an apocalyptic number.

2102143344 is a gapful number since it is divisible by the number (24) 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 2102143344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3125883264).

2102143344 is an abundant number, since it is smaller than the sum of its proper divisors (4149623184).

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

2102143344 is a wasteful number, since it uses less digits than its factorization.

2102143344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45822 (or 45816 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2102143344 is about 45849.1367857673. The cubic root of 2102143344 is about 1281.0146869570.

Adding to 2102143344 its reverse (4433412012), we get a palindrome (6535555356).

The spelling of 2102143344 in words is "two billion, one hundred two million, one hundred forty-three thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 137 168 274 336 411 548 822 959 1096 1644 1918 2192 2877 3288 3836 5754 6576 7672 11508 15344 23016 45667 46032 91334 137001 182668 274002 319669 365336 548004 639338 730672 959007 1096008 1278676 1918014 2192016 2557352 3836028 5114704 6256379 7672056 12512758 15344112 18769137 25025516 37538274 43794653 50051032 75076548 87589306 100102064 131383959 150153096 175178612 262767918 300306192 350357224 525535836 700714448 1051071672 2102143344