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1111331014421 = 1769197944729
BaseRepresentation
bin10000001011000000011…
…111011000011100010101
310221020112120100221101112
4100023000133120130111
5121202001214430141
62210312144304405
7143201550522005
oct20130037303425
93836476327345
101111331014421
11399349426921
1215b472612105
1380a4b46c334
143bb08302005
151dd956287eb
hex102c07d8715

1111331014421 has 8 divisors (see below), whose sum is σ = 1176721677720. Its totient is φ = 1045942379008.

The previous prime is 1111331014403. The next prime is 1111331014499. The reversal of 1111331014421 is 1244101331111.

It can be written as a sum of positive squares in 4 ways, for example, as 395760519025 + 715570495396 = 629095^2 + 845914^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111331014421 - 222 = 1111326820117 is a prime.

It is a super-2 number, since 2×11113310144212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111331014021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703985 + ... + 1648713.

It is an arithmetic number, because the mean of its divisors is an integer number (147090209715).

Almost surely, 21111331014421 is an apocalyptic number.

It is an amenable number.

1111331014421 is a deficient number, since it is larger than the sum of its proper divisors (65390663299).

1111331014421 is an equidigital number, since it uses as much as digits as its factorization.

1111331014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013943.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 1111331014421 its reverse (1244101331111), we get a palindrome (2355432345532).

The spelling of 1111331014421 in words is "one trillion, one hundred eleven billion, three hundred thirty-one million, fourteen thousand, four hundred twenty-one".

Divisors: 1 17 69197 944729 1176349 16060393 65372412613 1111331014421