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22031130302 = 2173353180379
BaseRepresentation
bin10100100001001010…
…000101111010111110
32002212101110101012222
4110201022011322332
5330104432132202
614042043325342
71406644342406
oct244112057276
962771411188
1022031130302
119385aa9305
12432a220852
13210143159c
1410cdd65806
1588e22c4a2
hex521285ebe

22031130302 has 16 divisors (see below), whose sum is σ = 33332059440. Its totient is φ = 10920805632.

The previous prime is 22031130299. The next prime is 22031130323. The reversal of 22031130302 is 20303113022.

It is a super-2 number, since 2×220311303022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31949 + ... + 212327.

It is an arithmetic number, because the mean of its divisors is an integer number (2083253715).

Almost surely, 222031130302 is an apocalyptic number.

22031130302 is a deficient number, since it is larger than the sum of its proper divisors (11300929138).

22031130302 is a wasteful number, since it uses less digits than its factorization.

22031130302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180907.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22031130302 its reverse (20303113022), we get a palindrome (42334243324).

The spelling of 22031130302 in words is "twenty-two billion, thirty-one million, one hundred thirty thousand, three hundred two".

Divisors: 1 2 173 346 353 706 61069 122138 180379 360758 31205567 62411134 63673787 127347574 11015565151 22031130302