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8270040000 = 2635468917
BaseRepresentation
bin1111011001110111…
…01100101111000000
3210100100112120010210
413230323230233000
5113414112240000
63444343354120
7411640115535
oct75473545700
923310476123
108270040000
113564249502
121729752940
13a1a4811c1
145864bcd8c
1533608c350
hex1eceecbc0

8270040000 has 140 divisors (see below), whose sum is σ = 27343078664. Its totient is φ = 2205312000.

The previous prime is 8270039993. The next prime is 8270040007. The reversal of 8270040000 is 400728.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8270039993) and next prime (8270040007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8270040007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85542 + ... + 154458.

Almost surely, 28270040000 is an apocalyptic number.

8270040000 is a gapful number since it is divisible by the number (80) 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 8270040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13671539332).

8270040000 is an abundant number, since it is smaller than the sum of its proper divisors (19073038664).

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

8270040000 is an equidigital number, since it uses as much as digits as its factorization.

8270040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68952 (or 68927 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 8270040000 is about 90939.7602811883. The cubic root of 8270040000 is about 2022.2547772582.

Adding to 8270040000 its reverse (400728), we get a palindrome (8270440728).

The spelling of 8270040000 in words is "eight billion, two hundred seventy million, forty thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 150 160 192 200 240 250 300 320 375 400 480 500 600 625 750 800 960 1000 1200 1250 1500 1600 1875 2000 2400 2500 3000 3750 4000 4800 5000 6000 7500 8000 10000 12000 15000 20000 24000 30000 40000 60000 68917 120000 137834 206751 275668 344585 413502 551336 689170 827004 1033755 1102672 1378340 1654008 1722925 2067510 2205344 2756680 3308016 3445850 4135020 4410688 5168775 5513360 6616032 6891700 8270040 8614625 10337550 11026720 13232064 13783400 16540080 17229250 20675100 22053440 25843875 27566800 33080160 34458500 41350200 43073125 51687750 55133600 66160320 68917000 82700400 86146250 103375500 110267200 129219375 137834000 165400800 172292500 206751000 258438750 275668000 330801600 344585000 413502000 516877500 551336000 689170000 827004000 1033755000 1378340000 1654008000 2067510000 2756680000 4135020000 8270040000