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12021031302 = 2371915063949
BaseRepresentation
bin10110011001000001…
…00110000110000110
31011000202200122212120
423030200212012012
5144104341000202
65304500230410
7603615036330
oct131440460606
934022618776
1012021031302
115109616815
1223b599b406
131197619497
14820734450
154a55270bc
hex2cc826186

12021031302 has 32 divisors (see below), whose sum is σ = 28922784000. Its totient is φ = 3253812768.

The previous prime is 12021031291. The next prime is 12021031357. The reversal of 12021031302 is 20313012021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7531177 + ... + 7532772.

It is an arithmetic number, because the mean of its divisors is an integer number (903837000).

Almost surely, 212021031302 is an apocalyptic number.

12021031302 is an abundant number, since it is smaller than the sum of its proper divisors (16901752698).

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

12021031302 is a wasteful number, since it uses less digits than its factorization.

12021031302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15063980.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12021031302 its reverse (20313012021), we get a palindrome (32334043323).

The spelling of 12021031302 in words is "twelve billion, twenty-one million, thirty-one thousand, three hundred two".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 15063949 30127898 45191847 90383694 105447643 210895286 286215031 316342929 572430062 632685858 858645093 1717290186 2003505217 4007010434 6010515651 12021031302