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213301222302 = 23792922072477
BaseRepresentation
bin1100011010100110111…
…1100101101110011110
3202101120022212210021110
43012221233211232132
511443320103103202
6241553401242450
721260542321530
oct3065157455636
9671508783243
10213301222302
1182507a85403
123540a193426
1317163c2910c
14a47685b850
15583607726c
hex31a9be5b9e

213301222302 has 64 divisors (see below), whose sum is σ = 488488734720. Its totient is φ = 60825455616.

The previous prime is 213301222279. The next prime is 213301222331. The reversal of 213301222302 is 203222103312.

It is a happy number.

It is a super-2 number, since 2×2133012223022 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 86111488 + ... + 86113964.

It is an arithmetic number, because the mean of its divisors is an integer number (7632636480).

Almost surely, 2213301222302 is an apocalyptic number.

213301222302 is an abundant number, since it is smaller than the sum of its proper divisors (275187512418).

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

213301222302 is a wasteful number, since it uses less digits than its factorization.

213301222302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213301222302 its reverse (203222103312), we get a palindrome (416523325614).

The spelling of 213301222302 in words is "two hundred thirteen billion, three hundred one million, two hundred twenty-two thousand, three hundred two".

Divisors: 1 2 3 6 7 14 21 42 929 1858 2207 2477 2787 4414 4954 5574 6503 6621 7431 13006 13242 14862 15449 17339 19509 30898 34678 39018 46347 52017 92694 104034 2050303 2301133 4100606 4602266 5466739 6150909 6903399 10933478 12301818 13806798 14352121 16107931 16400217 28704242 32215862 32800434 38267173 43056363 48323793 76534346 86112726 96647586 114801519 229603038 5078600531 10157201062 15235801593 30471603186 35550203717 71100407434 106650611151 213301222302