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13002033220 = 2251132931667
BaseRepresentation
bin11000001101111101…
…10100100001000100
31020120010121201111221
430012332310201010
5203112010030340
65550102410124
7640126313251
oct140676644104
936503551457
1013002033220
115572344000
12262a430944
1312c29342a7
148b4b38428
1551170444a
hex306fb4844

13002033220 has 96 divisors (see below), whose sum is σ = 30153223296. Its totient is φ = 4709048960.

The previous prime is 13002033169. The next prime is 13002033251. The reversal of 13002033220 is 2233020031.

It is a junction number, because it is equal to n+sod(n) for n = 13002033194 and 13002033203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7798827 + ... + 7800493.

It is an arithmetic number, because the mean of its divisors is an integer number (314096076).

Almost surely, 213002033220 is an apocalyptic number.

13002033220 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 13002033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15076611648).

13002033220 is an abundant number, since it is smaller than the sum of its proper divisors (17151190076).

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

13002033220 is a wasteful number, since it uses less digits than its factorization.

13002033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 13002033220 its reverse (2233020031), we get a palindrome (15235053251).

The spelling of 13002033220 in words is "thirteen billion, two million, thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 293 484 586 605 1172 1210 1331 1465 1667 2420 2662 2930 3223 3334 5324 5860 6446 6655 6668 8335 12892 13310 16115 16670 18337 26620 32230 33340 35453 36674 64460 70906 73348 91685 141812 177265 183370 201707 354530 366740 389983 403414 488431 709060 779966 806828 976862 1008535 1559932 1949915 1953724 2017070 2218777 2442155 3899830 4034140 4437554 4884310 5372741 7799660 8875108 9768620 10745482 11093885 21490964 22187770 26863705 44375540 53727410 59100151 107454820 118200302 236400604 295500755 591001510 650101661 1182003020 1300203322 2600406644 3250508305 6501016610 13002033220