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213302120330 = 25131640785541
BaseRepresentation
bin1100011010100111001…
…1000000111110001010
3202101120101120102010202
43012221303000332022
511443320320322310
6241553432412202
721260553051635
oct3065163007612
9671511512122
10213302120330
1182508539082
123540a547062
1317164181ab0
14a476a12c1c
1558361a33a5
hex31a9cc0f8a

213302120330 has 16 divisors (see below), whose sum is σ = 413477956584. Its totient is φ = 78757705920.

The previous prime is 213302120323. The next prime is 213302120347. The reversal of 213302120330 is 33021203312.

It can be written as a sum of positive squares in 4 ways, for example, as 55186936561 + 158115183769 = 234919^2 + 397637^2 .

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, 820392641 + ... + 820392900.

Almost surely, 2213302120330 is an apocalyptic number.

213302120330 is a deficient number, since it is larger than the sum of its proper divisors (200175836254).

213302120330 is a wasteful number, since it uses less digits than its factorization.

213302120330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640785561.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213302120330 its reverse (33021203312), we get a palindrome (246323323642).

The spelling of 213302120330 in words is "two hundred thirteen billion, three hundred two million, one hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 1640785541 3281571082 8203927705 16407855410 21330212033 42660424066 106651060165 213302120330