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1110111212005 = 51937861308639
BaseRepresentation
bin10000001001110111110…
…010001101000111100101
310221010101120002120001021
4100021313302031013211
5121142001432241010
62205551131531141
7143126406416515
oct20116762150745
93833346076037
101110111212005
11398882925254
1215b191bb9ab1
13808b5833663
143ba302d9845
151dd234ca8da
hex10277c8d1e5

1110111212005 has 16 divisors (see below), whose sum is σ = 1402287321600. Its totient is φ = 841322496960.

The previous prime is 1110111211997. The next prime is 1110111212039. The reversal of 1110111212005 is 5002121110111.

It is not a de Polignac number, because 1110111212005 - 23 = 1110111211997 is a prime.

It is a super-2 number, since 2×11101112120052 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1110111212005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3442476 + ... + 3751114.

It is an arithmetic number, because the mean of its divisors is an integer number (87642957600).

Almost surely, 21110111212005 is an apocalyptic number.

It is an amenable number.

1110111212005 is a deficient number, since it is larger than the sum of its proper divisors (292176109595).

1110111212005 is a wasteful number, since it uses less digits than its factorization.

1110111212005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346524.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 1110111212005 its reverse (5002121110111), we get a palindrome (6112232322116).

The spelling of 1110111212005 in words is "one trillion, one hundred ten billion, one hundred eleven million, two hundred twelve thousand, five".

Divisors: 1 5 19 95 37861 189305 308639 719359 1543195 3596795 5864141 29320705 11685381179 58426905895 222022242401 1110111212005