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213103312000 = 275313318957
BaseRepresentation
bin1100011001110111110…
…0100111110010000000
3202101001112110220101021
43012131330213302000
511442413421441000
6241522011315224
721252620156545
oct3063574476200
9671045426337
10213103312000
118241629a477
1235373a4bb14
1317131c24027
14a458460bcc
1558239d211a
hex319df27c80

213103312000 has 64 divisors (see below), whose sum is σ = 529828149240. Its totient is φ = 85241318400.

The previous prime is 213103311979. The next prime is 213103312063. The reversal of 213103312000 is 213301312.

213103312000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25628167744 + 187475144256 = 160088^2 + 432984^2 .

It is a tau number, because it is divible by the number of its divisors (64).

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

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6643479 + ... + 6675478.

Almost surely, 2213103312000 is an apocalyptic number.

213103312000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213103312000 is an abundant number, since it is smaller than the sum of its proper divisors (316724837240).

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

213103312000 is an equidigital number, since it uses as much as digits as its factorization.

213103312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13318986 (or 13318964 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 213103312000 its reverse (213301312), we get a palindrome (213316613312).

The spelling of 213103312000 in words is "two hundred thirteen billion, one hundred three million, three hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 640 800 1000 1600 2000 3200 4000 8000 16000 13318957 26637914 53275828 66594785 106551656 133189570 213103312 266379140 332973925 426206624 532758280 665947850 852413248 1065516560 1331895700 1664869625 1704826496 2131033120 2663791400 3329739250 4262066240 5327582800 6659478500 8524132480 10655165600 13318957000 21310331200 26637914000 42620662400 53275828000 106551656000 213103312000