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30201213231320 = 2351037330391561
BaseRepresentation
bin1101101110111110001001…
…00101100010000011011000
310221221012121110212222110212
412313133010211202003120
512424304041041400240
6144122125033030252
76234652134546605
oct667370445420330
9127835543788425
1030201213231320
11969429858596a
123479245255388
1313b0c67c06181
14765a646436ac
153759099ee165
hex1b77c49620d8

30201213231320 has 32 divisors (see below), whose sum is σ = 68612465020320. Its totient is φ = 11963199025920.

The previous prime is 30201213231313. The next prime is 30201213231337. The reversal of 30201213231320 is 2313231210203.

It is a super-2 number, since 2×302012132313202 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 3665191661 + ... + 3665199900.

It is an arithmetic number, because the mean of its divisors is an integer number (2144139531885).

Almost surely, 230201213231320 is an apocalyptic number.

It is an amenable number.

30201213231320 is an abundant number, since it is smaller than the sum of its proper divisors (38411251789000).

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

30201213231320 is a wasteful number, since it uses less digits than its factorization.

30201213231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7330391675 (or 7330391671 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30201213231320 its reverse (2313231210203), we get a palindrome (32514444441523).

The spelling of 30201213231320 in words is "thirty trillion, two hundred one billion, two hundred thirteen million, two hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 103 206 412 515 824 1030 2060 4120 7330391561 14660783122 29321566244 36651957805 58643132488 73303915610 146607831220 293215662440 755030330783 1510060661566 3020121323132 3775151653915 6040242646264 7550303307830 15100606615660 30201213231320