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103211212210000 = 245410321121221
BaseRepresentation
bin10111011101111010111011…
…101000111111111101010000
3111112102220011211121202212021
4113131322323220333331100
5102012003030311210000
61003302324252541224
730511523024436256
oct2735727350777520
9445386154552767
10103211212210000
112a9826a1644404
12b6ab036181814
134578a10b603ab
141b6b640d3a5d6
15bdeb6199411a
hex5ddebba3ff50

103211212210000 has 50 divisors (see below), whose sum is σ = 249884665905842. Its totient is φ = 41284484880000.

The previous prime is 103211212209997. The next prime is 103211212210031. The reversal of 103211212210000 is 12212112301.

It can be written as a sum of positive squares in 5 ways, for example, as 77134624847424 + 26076587362576 = 8782632^2 + 5106524^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5160550611 + ... + 5160570610.

Almost surely, 2103211212210000 is an apocalyptic number.

103211212210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103211212210000 is an abundant number, since it is smaller than the sum of its proper divisors (146673453695842).

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

103211212210000 is an equidigital number, since it uses as much as digits as its factorization.

103211212210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10321121249 (or 10321121228 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 103211212210000 its reverse (12212112301), we get a palindrome (103223424322301).

The spelling of 103211212210000 in words is "one hundred three trillion, two hundred eleven billion, two hundred twelve million, two hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 10321121221 20642242442 41284484884 51605606105 82568969768 103211212210 165137939536 206422424420 258028030525 412844848840 516056061050 825689697680 1032112122100 1290140152625 2064224244200 2580280305250 4128448488400 5160560610500 6450700763125 10321121221000 12901401526250 20642242442000 25802803052500 51605606105000 103211212210000