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30202220202 = 23711436722691
BaseRepresentation
bin11100001000001100…
…010100111010101010
32212221211210202100020
4130020030110322222
5443323232021302
621512534221310
72116303431060
oct341014247252
985854722306
1030202220202
1111899403070
125a2a7b4836
132b04248b1b
141667248030
15bbb770ebc
hex708314eaa

30202220202 has 128 divisors (see below), whose sum is σ = 78214422528. Its totient is φ = 7547601600.

The previous prime is 30202220189. The next prime is 30202220219. The reversal of 30202220202 is 20202220203.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1319677 + ... + 1342367.

It is an arithmetic number, because the mean of its divisors is an integer number (611050176).

Almost surely, 230202220202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30202220202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39107211264).

30202220202 is an abundant number, since it is smaller than the sum of its proper divisors (48012202326).

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

30202220202 is a wasteful number, since it uses less digits than its factorization.

30202220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22824.

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 30202220202 its reverse (20202220203), we get a palindrome (50404440405).

Subtracting from 30202220202 its reverse (20202220203), we obtain a palindrome (9999999999).

It can be divided in two parts, 3020 and 2220202, that added together give a palindrome (2223222).

The spelling of 30202220202 in words is "thirty billion, two hundred two million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 43 66 67 77 86 129 134 154 201 231 258 301 402 462 469 473 602 737 903 938 946 1407 1419 1474 1806 2211 2814 2838 2881 3311 4422 5159 5762 6622 8643 9933 10318 15477 17286 19866 20167 22691 30954 31691 40334 45382 60501 63382 68073 95073 121002 136146 158837 190146 221837 249601 317674 443674 476511 499202 665511 748803 953022 975713 1331022 1497606 1520297 1747207 1951426 2927139 3040594 3494414 4560891 5241621 5854278 6829991 9121782 10483242 10642079 10732843 13659982 16723267 20489973 21284158 21465686 31926237 32198529 33446534 40979946 50169801 63852474 64397058 65372771 75129901 100339602 117062869 130745542 150259802 196118313 225389703 234125738 351188607 392236626 450779406 457609397 702377214 719100481 915218794 1372828191 1438200962 2157301443 2745656382 4314602886 5033703367 10067406734 15101110101 30202220202