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1230112112103 = 327431072942323
BaseRepresentation
bin10001111001101000011…
…001010011110111100111
311100121010121221220020200
4101321220121103313213
5130123232200041403
62341034455401543
7154605216301230
oct21715031236747
94317117856220
101230112112103
11434762244656
1217a4a20832b3
138bccac74614
14437757d8087
1521ee85acca3
hex11e68653de7

1230112112103 has 48 divisors (see below), whose sum is σ = 2078128715520. Its totient is φ = 686493988992.

The previous prime is 1230112112087. The next prime is 1230112112113. The reversal of 1230112112103 is 3012112110321.

1230112112103 is a `hidden beast` number, since 1 + 230 + 11 + 211 + 210 + 3 = 666.

It is not a de Polignac number, because 1230112112103 - 24 = 1230112112087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230112112113) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 29043700 + ... + 29086022.

It is an arithmetic number, because the mean of its divisors is an integer number (43294348240).

Almost surely, 21230112112103 is an apocalyptic number.

1230112112103 is a deficient number, since it is larger than the sum of its proper divisors (848016603417).

1230112112103 is a wasteful number, since it uses less digits than its factorization.

1230112112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53108 (or 53105 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1230112112103 its reverse (3012112110321), we get a palindrome (4242224222424).

The spelling of 1230112112103 in words is "one trillion, two hundred thirty billion, one hundred twelve million, one hundred twelve thousand, one hundred three".

Divisors: 1 3 7 9 21 43 63 129 301 387 903 2709 10729 32187 42323 75103 96561 126969 225309 296261 380907 461347 675927 888783 1384041 1819889 2666349 3229429 4152123 5459667 9688287 12739223 16379001 29064861 38217669 114653007 454083467 1362250401 3178584269 4086751203 9535752807 19525589081 28607258421 58576767243 136679123567 175730301729 410037370701 1230112112103