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13211022122 = 2149197225037
BaseRepresentation
bin11000100110111000…
…00011001100101010
31021002200212110101122
430103130003030222
5204024010201442
610022530015242
7645244556324
oct142334031452
937080773348
1013211022122
11566a306501
122688417522
131327017b6c
148d47ba614
15524c36dd2
hex31370332a

13211022122 has 16 divisors (see below), whose sum is σ = 20050885800. Its totient is φ = 6527844288.

The previous prime is 13211022101. The next prime is 13211022127. The reversal of 13211022122 is 22122011231.

It can be written as a sum of positive squares in 4 ways, for example, as 13158154681 + 52867441 = 114709^2 + 7271^2 .

It is a super-2 number, since 2×132110221222 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13211022122.

It is not an unprimeable number, because it can be changed into a prime (13211022127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53813 + ... + 171224.

Almost surely, 213211022122 is an apocalyptic number.

13211022122 is a deficient number, since it is larger than the sum of its proper divisors (6839863678).

13211022122 is a wasteful number, since it uses less digits than its factorization.

13211022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225385.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13211022122 its reverse (22122011231), we get a palindrome (35333033353).

The spelling of 13211022122 in words is "thirteen billion, two hundred eleven million, twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 149 197 298 394 29353 58706 225037 450074 33530513 44332289 67061026 88664578 6605511061 13211022122