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13213233030 = 235878350147
BaseRepresentation
bin11000100111001000…
…11110111110000110
31021002212000210012010
430103210132332012
5204030041424110
610023045235050
7645302425164
oct142344367606
937085023163
1013213233030
1156705865a8
122689102a86
1313276102aa
148d4bd4234
15525022020
hex31391ef86

13213233030 has 32 divisors (see below), whose sum is σ = 31716002304. Its totient is φ = 3523057376.

The previous prime is 13213233001. The next prime is 13213233037. The reversal of 13213233030 is 3033231231.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13213232988 and 13213233006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213233037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238417 + ... + 288563.

It is an arithmetic number, because the mean of its divisors is an integer number (991125072).

Almost surely, 213213233030 is an apocalyptic number.

13213233030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13213233030 is an abundant number, since it is smaller than the sum of its proper divisors (18502769274).

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

13213233030 is a wasteful number, since it uses less digits than its factorization.

13213233030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58940.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13213233030 its reverse (3033231231), we get a palindrome (16246464261).

The spelling of 13213233030 in words is "thirteen billion, two hundred thirteen million, two hundred thirty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 8783 17566 26349 43915 50147 52698 87830 100294 131745 150441 250735 263490 300882 501470 752205 1504410 440441101 880882202 1321323303 2202205505 2642646606 4404411010 6606616515 13213233030