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202002122222212 = 221319506291991489
BaseRepresentation
bin101101111011100001001000…
…101111010010101010000100
3222111020012210012210222010011
4231323201020233102222010
5202434100321242102322
61553342254401040004
760356112620362414
oct5573411057225204
9874205705728104
10202002122222212
11594006898a0094
121a7a5446026004
1388939453c1b30
1437c4d522a6644
151854813523677
hexb7b848bd2a84

202002122222212 has 24 divisors (see below), whose sum is σ = 380696693592600. Its totient is φ = 93231654107136.

The previous prime is 202002122222203. The next prime is 202002122222213. The reversal of 202002122222212 is 212222221200202.

It can be written as a sum of positive squares in 4 ways, for example, as 38702757091716 + 163299365130496 = 6221154^2 + 12778864^2 .

It is not an unprimeable number, because it can be changed into a prime (202002122222213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100436964 + ... + 102428452.

It is an arithmetic number, because the mean of its divisors is an integer number (15862362233025).

Almost surely, 2202002122222212 is an apocalyptic number.

It is an amenable number.

202002122222212 is a deficient number, since it is larger than the sum of its proper divisors (178694571370388).

202002122222212 is a wasteful number, since it uses less digits than its factorization.

202002122222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942135 (or 3942133 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 202002122222212 its reverse (212222221200202), we get a palindrome (414224343422414).

The spelling of 202002122222212 in words is "two hundred two trillion, two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 1950629 1991489 3901258 3982978 7802516 7965956 25358177 25889357 50716354 51778714 101432708 103557428 3884656196581 7769312393162 15538624786324 50500530555553 101001061111106 202002122222212