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212540036000 = 255353135009
BaseRepresentation
bin1100010111110001011…
…1111001001110100000
3202022121021120111222012
43011330113321032200
511440240222123000
6241350050332052
721232640332505
oct3057427711640
9668537514865
10212540036000
1182157344916
123523728a028
1317072315b16
14a4037174ac
1557de31a735
hex317c5f93a0

212540036000 has 48 divisors (see below), whose sum is σ = 522210878280. Its totient is φ = 85016012800.

The previous prime is 212540035999. The next prime is 212540036021. The reversal of 212540036000 is 630045212.

It can be written as a sum of positive squares in 4 ways, for example, as 119707696144 + 92832339856 = 345988^2 + 304684^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26563505 + ... + 26571504.

Almost surely, 2212540036000 is an apocalyptic number.

212540036000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212540036000 is an abundant number, since it is smaller than the sum of its proper divisors (309670842280).

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

212540036000 is an equidigital number, since it uses as much as digits as its factorization.

212540036000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53135034 (or 53135016 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 212540036000 in words is "two hundred twelve billion, five hundred forty million, thirty-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 53135009 106270018 212540036 265675045 425080072 531350090 850160144 1062700180 1328375225 1700320288 2125400360 2656750450 4250800720 5313500900 6641876125 8501601440 10627001800 13283752250 21254003600 26567504500 42508007200 53135009000 106270018000 212540036000