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13200331230 = 2325379386993
BaseRepresentation
bin11000100101100110…
…10001000111011110
31021001221202022020200
430102303101013132
5204013241044410
610021504524330
7645054651462
oct142263210736
937057668220
1013200331230
115664274259
1226849206a6
131324a439a8
148d31d64a2
15523d243c0
hex312cd11de

13200331230 has 48 divisors (see below), whose sum is σ = 34411506480. Its totient is φ = 3510791424.

The previous prime is 13200331219. The next prime is 13200331367. The reversal of 13200331230 is 3213300231.

13200331230 is a `hidden beast` number, since 1 + 320 + 0 + 3 + 312 + 30 = 666.

13200331230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159387 + ... + 227606.

It is an arithmetic number, because the mean of its divisors is an integer number (716906385).

Almost surely, 213200331230 is an apocalyptic number.

13200331230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13200331230 is an abundant number, since it is smaller than the sum of its proper divisors (21211175250).

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

13200331230 is a wasteful number, since it uses less digits than its factorization.

13200331230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387385 (or 387382 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13200331230 its reverse (3213300231), we get a palindrome (16413631461).

The spelling of 13200331230 in words is "thirteen billion, two hundred million, three hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 379 758 1137 1895 2274 3411 3790 5685 6822 11370 17055 34110 386993 773986 1160979 1934965 2321958 3482937 3869930 5804895 6965874 11609790 17414685 34829370 146670347 293340694 440011041 733351735 880022082 1320033123 1466703470 2200055205 2640066246 4400110410 6600165615 13200331230