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12303211110 = 2351937321169
BaseRepresentation
bin10110111010101010…
…00001101001100110
31011202102122212210120
423131111001221212
5200144110223420
65352500302410
7613612366101
oct133525015146
934672585716
1012303211110
115243929673
1224743a1a06
131210c18098
14849dc9738
154c01b5d40
hex2dd541a66

12303211110 has 32 divisors (see below), whose sum is σ = 29530625760. Its totient is φ = 3280531968.

The previous prime is 12303211099. The next prime is 12303211133. The reversal of 12303211110 is 1111230321.

It is a happy number.

12303211110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12303211110.

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 15 ways as a sum of consecutive naturals, for example, 570606 + ... + 591774.

It is an arithmetic number, because the mean of its divisors is an integer number (922832055).

Almost surely, 212303211110 is an apocalyptic number.

12303211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12303211110 is an abundant number, since it is smaller than the sum of its proper divisors (17227414650).

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

12303211110 is a wasteful number, since it uses less digits than its factorization.

12303211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40552.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12303211110 its reverse (1111230321), we get a palindrome (13414441431).

The spelling of 12303211110 in words is "twelve billion, three hundred three million, two hundred eleven thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 19373 21169 38746 42338 58119 63507 96865 105845 116238 127014 193730 211690 290595 317535 581190 635070 410107037 820214074 1230321111 2050535185 2460642222 4101070370 6151605555 12303211110