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1100010001111 = 7157144285873
BaseRepresentation
bin10000000000011101101…
…101001001001011010111
310220011022120212212200021
4100000131231021023113
5121010310030013421
62201200531530011
7142321162510210
oct20003555111327
93804276785607
101100010001111
11394569a71a7a
12159233159907
137c965b9a4a8
143b35294c407
151d9317c9341
hex1001db492d7

1100010001111 has 4 divisors (see below), whose sum is σ = 1257154286992. Its totient is φ = 942865715232.

The previous prime is 1100010001087. The next prime is 1100010001127. The reversal of 1100010001111 is 1111000100011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1100010001111 - 213 = 1100009992919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 157144285873 = 1100010001111 / (1 + 1 + 0 + 0 + 0 + 1 + 0 + 0 + 0 + 1 + 1 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100010001094 and 1100010001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100010001141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78572142930 + ... + 78572142943.

It is an arithmetic number, because the mean of its divisors is an integer number (314288571748).

Almost surely, 21100010001111 is an apocalyptic number.

1100010001111 is a deficient number, since it is larger than the sum of its proper divisors (157144285881).

1100010001111 is an equidigital number, since it uses as much as digits as its factorization.

1100010001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157144285880.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1100010001111 its reverse (1111000100011), we get a palindrome (2211010101122).

It can be divided in two parts, 11000100011 and 11, that multiplied together give a palindrome (121001100121).

The spelling of 1100010001111 in words is "one trillion, one hundred billion, ten million, one thousand, one hundred eleven".

Divisors: 1 7 157144285873 1100010001111