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30132231211220 = 2251506611560561
BaseRepresentation
bin1101101100111101101001…
…11100000000100011010100
310221200121120000001021111112
412312132310330000203110
512422141302142224340
6144030320024554152
76226660531214435
oct666366474004324
9127617500037445
1030132231211220
119668009a781a6
1234679b3322958
1313a75c36527b8
1476259ccd948c
15373c1d972065
hex1b67b4f008d4

30132231211220 has 12 divisors (see below), whose sum is σ = 63277685543604. Its totient is φ = 12052892484480.

The previous prime is 30132231211151. The next prime is 30132231211231. The reversal of 30132231211220 is 2211213223103.

It can be written as a sum of positive squares in 2 ways, for example, as 14075492999824 + 16056738211396 = 3751732^2 + 4007086^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753305780261 + ... + 753305780300.

It is an arithmetic number, because the mean of its divisors is an integer number (5273140461967).

Almost surely, 230132231211220 is an apocalyptic number.

It is an amenable number.

30132231211220 is an abundant number, since it is smaller than the sum of its proper divisors (33145454332384).

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

30132231211220 is a wasteful number, since it uses less digits than its factorization.

30132231211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506611560570 (or 1506611560568 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30132231211220 its reverse (2211213223103), we get a palindrome (32343444434323).

The spelling of 30132231211220 in words is "thirty trillion, one hundred thirty-two billion, two hundred thirty-one million, two hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1506611560561 3013223121122 6026446242244 7533057802805 15066115605610 30132231211220