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11111000013331 = 79895213033181
BaseRepresentation
bin1010000110101111101100…
…1101010111101000010011
31110100012102200202121002021
42201223323031113220103
52424020312000411311
635344153431032311
72224512636551461
oct241537315275023
943305380677067
1011111000013331
1135a416a931919
1212b547750b697
136279bbb6420a
142a5abd4ab831
15144051487171
hexa1afb357a13

11111000013331 has 16 divisors (see below), whose sum is σ = 11399911228800. Its totient is φ = 10826268710400.

The previous prime is 11111000013307. The next prime is 11111000013361. The reversal of 11111000013331 is 13331000011111.

It is a cyclic number.

It is not a de Polignac number, because 11111000013331 - 213 = 11111000005139 is a prime.

It is a super-2 number, since 2×111110000133312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111000013361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2146561 + ... + 5179741.

It is an arithmetic number, because the mean of its divisors is an integer number (712494451800).

Almost surely, 211111000013331 is an apocalyptic number.

11111000013331 is a deficient number, since it is larger than the sum of its proper divisors (288911215469).

11111000013331 is an equidigital number, since it uses as much as digits as its factorization.

11111000013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033870.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 11111000013331 its reverse (13331000011111), we get a palindrome (24442000024442).

The spelling of 11111000013331 in words is "eleven trillion, one hundred eleven billion, thirteen thousand, three hundred thirty-one".

Divisors: 1 79 89 521 7031 41159 46369 3033181 3663151 239621299 269953109 1580287301 21326295611 124842696779 140645569789 11111000013331