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2101024000 = 285365657
BaseRepresentation
bin111110100111011…
…0001010100000000
312102102110002002201
41331032301110000
513300330232000
6544252122544
7103031260255
oct17516612400
95372402081
102101024000
11988a78479
124a7766454
13276388c8a
1415d07542c
15c46ba96a
hex7d3b1500

2101024000 has 72 divisors (see below), whose sum is σ = 5233993128. Its totient is φ = 840396800.

The previous prime is 2101023997. The next prime is 2101024001. The reversal of 2101024000 is 4201012.

It can be written as a sum of positive squares in 4 ways, for example, as 39137536 + 2061886464 = 6256^2 + 45408^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101024001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829 + ... + 64828.

It is an arithmetic number, because the mean of its divisors is an integer number (72694349).

Almost surely, 22101024000 is an apocalyptic number.

2101024000 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 2101024000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2616996564).

2101024000 is an abundant number, since it is smaller than the sum of its proper divisors (3132969128).

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

2101024000 is an frugal number, since it uses more digits than its factorization.

2101024000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65688 (or 65664 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2101024000 is about 45836.9283438583. The cubic root of 2101024000 is about 1280.7872760958.

Adding to 2101024000 its reverse (4201012), we get a palindrome (2105225012).

The spelling of 2101024000 in words is "two billion, one hundred one million, twenty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 640 800 1000 1280 1600 2000 3200 4000 6400 8000 16000 32000 65657 131314 262628 328285 525256 656570 1050512 1313140 1641425 2101024 2626280 3282850 4202048 5252560 6565700 8207125 8404096 10505120 13131400 16414250 16808192 21010240 26262800 32828500 42020480 52525600 65657000 84040960 105051200 131314000 210102400 262628000 420204800 525256000 1050512000 2101024000