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10143220000 = 25541729833
BaseRepresentation
bin10010111001001010…
…10100000100100000
3222011220020222000211
421130211110010200
5131233131020000
64354300223504
7506233642654
oct113445240440
928156228024
1010143220000
114335646351
121b70b3ab94
13c58584334
146c31a4a64
153e574d7ba
hex25c954120

10143220000 has 120 divisors (see below), whose sum is σ = 26422601436. Its totient is φ = 3818496000.

The previous prime is 10143219979. The next prime is 10143220001. The reversal of 10143220000 is 2234101.

It can be written as a sum of positive squares in 10 ways, for example, as 301786384 + 9841433616 = 17372^2 + 99204^2 .

It is not an unprimeable number, because it can be changed into a prime (10143220001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 325084 + ... + 354916.

Almost surely, 210143220000 is an apocalyptic number.

10143220000 is a gapful number since it is divisible by the number (10) 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 10143220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13211300718).

10143220000 is an abundant number, since it is smaller than the sum of its proper divisors (16279381436).

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

10143220000 is an equidigital number, since it uses as much as digits as its factorization.

10143220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29880 (or 29857 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10143220000 its reverse (2234101), we get a palindrome (10145454101).

The spelling of 10143220000 in words is "ten billion, one hundred forty-three million, two hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 68 80 85 100 125 136 160 170 200 250 272 340 400 425 500 544 625 680 800 850 1000 1250 1360 1700 2000 2125 2500 2720 3400 4000 4250 5000 6800 8500 10000 10625 13600 17000 20000 21250 29833 34000 42500 59666 68000 85000 119332 149165 170000 238664 298330 340000 477328 507161 596660 745825 954656 1014322 1193320 1491650 2028644 2386640 2535805 2983300 3729125 4057288 4773280 5071610 5966600 7458250 8114576 10143220 11933200 12679025 14916500 16229152 18645625 20286440 23866400 25358050 29833000 37291250 40572880 50716100 59666000 63395125 74582500 81145760 101432200 119332000 126790250 149165000 202864400 253580500 298330000 316975625 405728800 507161000 596660000 633951250 1014322000 1267902500 2028644000 2535805000 5071610000 10143220000