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13233575540 = 22517891632683
BaseRepresentation
bin11000101001100100…
…00101011001110100
31021011021022021212102
430110302011121310
5204100243404130
610025053241232
7645640351613
oct142462053164
937137267772
1013233575540
115681010199
122693a93218
13132b8b3593
148d77ab87a
15526bde645
hex314c85674

13233575540 has 96 divisors (see below), whose sum is σ = 29949575040. Its totient is φ = 4894027776.

The previous prime is 13233575497. The next prime is 13233575543. The reversal of 13233575540 is 4557533231.

It is a junction number, because it is equal to n+sod(n) for n = 13233575494 and 13233575503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233575543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4931039 + ... + 4933721.

It is an arithmetic number, because the mean of its divisors is an integer number (311974740).

Almost surely, 213233575540 is an apocalyptic number.

13233575540 is a gapful number since it is divisible by the number (10) 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 13233575540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14974787520).

13233575540 is an abundant number, since it is smaller than the sum of its proper divisors (16715999500).

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

13233575540 is a wasteful number, since it uses less digits than its factorization.

13233575540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961 (or 2959 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 38.

The spelling of 13233575540 in words is "thirteen billion, two hundred thirty-three million, five hundred seventy-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 89 163 170 178 326 340 356 445 652 815 890 1513 1630 1780 2683 2771 3026 3260 5366 5542 6052 7565 10732 11084 13415 13855 14507 15130 26830 27710 29014 30260 45611 53660 55420 58028 72535 91222 145070 182444 228055 238787 246619 290140 437329 456110 477574 493238 874658 912220 955148 986476 1193935 1233095 1749316 2186645 2387870 2466190 4059379 4373290 4775740 4932380 7434593 8118758 8746580 14869186 16237516 20296895 29738372 37172965 38922281 40593790 74345930 77844562 81187580 148691860 155689124 194611405 389222810 661678777 778445620 1323357554 2646715108 3308393885 6616787770 13233575540