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100111111000101 = 3278714133998447
BaseRepresentation
bin10110110000110011101111…
…001101011001000000100101
3111010110112021110021011021200
4112300303233031121000211
5101110210023404000401
6552530224241033113
730041534441102115
oct2660635715310045
9433415243234250
10100111111000101
112999797a2a5093
12b28a254625799
1343b258b875656
141aa1591799045
15b891be1c2686
hex5b0cef359025

100111111000101 has 12 divisors (see below), whose sum is σ = 144788680101312. Its totient is φ = 66655936671336.

The previous prime is 100111111000091. The next prime is 100111111000133. The reversal of 100111111000101 is 101000111111001.

It is not a de Polignac number, because 100111111000101 - 27 = 100111110999973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111111000141) 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 11 ways as a sum of consecutive naturals, for example, 7066992141 + ... + 7067006306.

It is an arithmetic number, because the mean of its divisors is an integer number (12065723341776).

Almost surely, 2100111111000101 is an apocalyptic number.

It is an amenable number.

100111111000101 is a deficient number, since it is larger than the sum of its proper divisors (44677569101211).

100111111000101 is a wasteful number, since it uses less digits than its factorization.

100111111000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14133999240 (or 14133999237 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 100111111000101 its reverse (101000111111001), we get a palindrome (201111222111102).

The spelling of 100111111000101 in words is "one hundred trillion, one hundred eleven billion, one hundred eleven million, one hundred one", and thus it is an aban number.

Divisors: 1 3 9 787 2361 7083 14133998447 42401995341 127205986023 11123456777789 33370370333367 100111111000101