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220013120121 = 3611577657691
BaseRepresentation
bin1100110011100111001…
…1011100101001111001
3210000220002111112011120
43030321303130221321
512101041324320441
6245023404415453
721616062443664
oct3147163345171
9700802445146
10220013120121
11853417415a3
1236781b47589
131799363b8a2
14a9120206db
155aca432966
hex3339cdca79

220013120121 has 16 divisors (see below), whose sum is σ = 300059003328. Its totient is φ = 143351956800.

The previous prime is 220013120083. The next prime is 220013120141. The reversal of 220013120121 is 121021310022.

It is not a de Polignac number, because 220013120121 - 210 = 220013119097 is a prime.

It is a super-5 number, since 5×2200131201215 (a number of 58 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220013120121.

It is not an unprimeable number, because it can be changed into a prime (220013120141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3800115 + ... + 3857576.

It is an arithmetic number, because the mean of its divisors is an integer number (18753687708).

Almost surely, 2220013120121 is an apocalyptic number.

It is an amenable number.

220013120121 is a deficient number, since it is larger than the sum of its proper divisors (80045883207).

220013120121 is a wasteful number, since it uses less digits than its factorization.

220013120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7657912.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 220013120121 its reverse (121021310022), we get a palindrome (341034430143).

The spelling of 220013120121 in words is "two hundred twenty billion, thirteen million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 3 61 157 183 471 9577 28731 7657691 22973073 467119151 1202257487 1401357453 3606772461 73337706707 220013120121