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10111112312 = 237533406709
BaseRepresentation
bin10010110101010101…
…10101010001111000
3222002122211201120012
421122222311101320
5131201421043222
64351152121052
7505364015360
oct113252652170
928078751505
1010111112312
114319506374
121b62236188
13c51a21bc2
146bcc079a0
153e2a0a1e2
hex25aab5478

10111112312 has 32 divisors (see below), whose sum is σ = 22075480800. Its totient is φ = 4251571584.

The previous prime is 10111112311. The next prime is 10111112357. The reversal of 10111112312 is 21321111101.

10111112312 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 (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111112311) by changing a digit.

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, 1700387 + ... + 1706322.

It is an arithmetic number, because the mean of its divisors is an integer number (689858775).

Almost surely, 210111112312 is an apocalyptic number.

It is an amenable number.

10111112312 is an abundant number, since it is smaller than the sum of its proper divisors (11964368488).

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

10111112312 is a wasteful number, since it uses less digits than its factorization.

10111112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406775 (or 3406771 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10111112312 its reverse (21321111101), we get a palindrome (31432223413).

The spelling of 10111112312 in words is "ten billion, one hundred eleven million, one hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 53 56 106 212 371 424 742 1484 2968 3406709 6813418 13626836 23846963 27253672 47693926 95387852 180555577 190775704 361111154 722222308 1263889039 1444444616 2527778078 5055556156 10111112312