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213101041125 = 353781181349
BaseRepresentation
bin1100011001110111001…
…1111101010111100101
3202101001101012112022210
43012131303331113211
511442412331304000
6241521450514033
721252561651120
oct3063563752745
9671041175283
10213101041125
1182414a89315
1235373135919
131713160a50b
14a45802d3b7
1558236d4350
hex319dcfd5e5

213101041125 has 32 divisors (see below), whose sum is σ = 405257299200. Its totient is φ = 97417617600.

The previous prime is 213101041099. The next prime is 213101041159. The reversal of 213101041125 is 521140101312.

It is not a de Polignac number, because 213101041125 - 28 = 213101040869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40588050 + ... + 40593299.

It is an arithmetic number, because the mean of its divisors is an integer number (12664290600).

Almost surely, 2213101041125 is an apocalyptic number.

213101041125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213101041125 is a deficient number, since it is larger than the sum of its proper divisors (192156258075).

213101041125 is an equidigital number, since it uses as much as digits as its factorization.

213101041125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81181374 (or 81181364 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 213101041125 its reverse (521140101312), we get a palindrome (734241142437).

The spelling of 213101041125 in words is "two hundred thirteen billion, one hundred one million, forty-one thousand, one hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 125 175 375 525 875 2625 81181349 243544047 405906745 568269443 1217720235 1704808329 2029533725 2841347215 6088601175 8524041645 10147668625 14206736075 30443005875 42620208225 71033680375 213101041125