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13133223120 = 243582766169
BaseRepresentation
bin11000011101100110…
…10001010011010000
31020220021110212020010
430032303101103100
5203344101114440
610011110314520
7643311361143
oct141663212320
936807425203
1013133223120
11562a3a8a06
122666358a40
131313b78554
148c832805a
1551ceba580
hex30ecd14d0

13133223120 has 80 divisors (see below), whose sum is σ = 40762837440. Its totient is φ = 3497905152.

The previous prime is 13133223109. The next prime is 13133223137. The reversal of 13133223120 is 2132233131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165396 + ... + 231564.

It is an arithmetic number, because the mean of its divisors is an integer number (509535468).

Almost surely, 213133223120 is an apocalyptic number.

13133223120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13133223120 is an abundant number, since it is smaller than the sum of its proper divisors (27629614320).

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

13133223120 is a wasteful number, since it uses less digits than its factorization.

13133223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67012 (or 67006 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13133223120 its reverse (2132233131), we get a palindrome (15265456251).

The spelling of 13133223120 in words is "thirteen billion, one hundred thirty-three million, two hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 827 1654 2481 3308 4135 4962 6616 8270 9924 12405 13232 16540 19848 24810 33080 39696 49620 66160 66169 99240 132338 198480 198507 264676 330845 397014 529352 661690 794028 992535 1058704 1323380 1588056 1985070 2646760 3176112 3970140 5293520 7940280 15880560 54721763 109443526 164165289 218887052 273608815 328330578 437774104 547217630 656661156 820826445 875548208 1094435260 1313322312 1641652890 2188870520 2626644624 3283305780 4377741040 6566611560 13133223120