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13200333312 = 29369112437
BaseRepresentation
bin11000100101100110…
…10001101000000000
31021001221202102002210
430102303101220000
5204013241131222
610021504542120
7645054660525
oct142263215000
937057672083
1013200333312
115664275881
122684921940
131324a4491a
148d31d714c
15523d24d0c
hex312cd1a00

13200333312 has 80 divisors (see below), whose sum is σ = 35220236832. Its totient is φ = 4393390080.

The previous prime is 13200333301. The next prime is 13200333319. The reversal of 13200333312 is 21333300231.

It is not an unprimeable number, because it can be changed into a prime (13200333319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055158 + ... + 1067594.

Almost surely, 213200333312 is an apocalyptic number.

13200333312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13200333312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17610118416).

13200333312 is an abundant number, since it is smaller than the sum of its proper divisors (22019903520).

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

13200333312 is an equidigital number, since it uses as much as digits as its factorization.

13200333312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13149 (or 13133 counting only the distinct ones).

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

Adding to 13200333312 its reverse (21333300231), we get a palindrome (34533633543).

The spelling of 13200333312 in words is "thirteen billion, two hundred million, three hundred thirty-three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 691 768 1382 1536 2073 2764 4146 5528 8292 11056 12437 16584 22112 24874 33168 37311 44224 49748 66336 74622 88448 99496 132672 149244 176896 198992 265344 298488 353792 397984 530688 596976 795968 1061376 1193952 1591936 2387904 3183872 4775808 6367744 8593967 9551616 17187934 19103232 25781901 34375868 51563802 68751736 103127604 137503472 206255208 275006944 412510416 550013888 825020832 1100027776 1650041664 2200055552 3300083328 4400111104 6600166656 13200333312