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2042000000 = 27561021
BaseRepresentation
bin111100110110110…
…0111001010000000
312021022101100101122
41321231213022000
513140223000000
6534343051412
7101413466525
oct17155471200
95238340348
102042000000
11958723907
1248ba40b68
13267091331
141552ad14c
15be40c085
hex79b67280

2042000000 has 112 divisors (see below), whose sum is σ = 5089973910. Its totient is φ = 816000000.

The previous prime is 2041999991. The next prime is 2042000027. The reversal of 2042000000 is 2402.

It can be written as a sum of positive squares in 7 ways, for example, as 1004129344 + 1037870656 = 31688^2 + 32216^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1999490 + ... + 2000510.

Almost surely, 22042000000 is an apocalyptic number.

2042000000 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 2042000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2544986955).

2042000000 is an abundant number, since it is smaller than the sum of its proper divisors (3047973910).

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

2042000000 is an frugal number, since it uses more digits than its factorization.

2042000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 2042000000 is about 45188.4941107800. The cubic root of 2042000000 is about 1268.6794714368.

Adding to 2042000000 its reverse (2402), we get a palindrome (2042002402).

The spelling of 2042000000 in words is "two billion, forty-two million", and thus it is an aban number, an eban number, and an uban number.

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 625 640 800 1000 1021 1250 1600 2000 2042 2500 3125 3200 4000 4084 5000 5105 6250 8000 8168 10000 10210 12500 15625 16000 16336 20000 20420 25000 25525 31250 32672 40000 40840 50000 51050 62500 65344 80000 81680 100000 102100 125000 127625 130688 163360 200000 204200 250000 255250 326720 400000 408400 500000 510500 638125 653440 816800 1000000 1021000 1276250 1633600 2000000 2042000 2552500 3190625 3267200 4084000 5105000 6381250 8168000 10210000 12762500 15953125 16336000 20420000 25525000 31906250 40840000 51050000 63812500 81680000 102100000 127625000 204200000 255250000 408400000 510500000 1021000000 2042000000