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1111320231230 = 2511191263201121
BaseRepresentation
bin10000001010111111110…
…110001111110100111110
310221020111211002002122002
4100022333312033310332
5121201440434344410
62210311121222302
7143201360051066
oct20127766176476
93836454062562
101111320231230
113993433312a0
1215b46aa91992
1380a49165151
143bb06ad63a6
151dd946e87a5
hex102bfd8fd3e

1111320231230 has 64 divisors (see below), whose sum is σ = 2202005938176. Its totient is φ = 400470144000.

The previous prime is 1111320231223. The next prime is 1111320231247. The reversal of 1111320231230 is 321320231111.

It is a happy number.

It is a super-2 number, since 2×11113202312302 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5425070 + ... + 5626190.

It is an arithmetic number, because the mean of its divisors is an integer number (34406342784).

Almost surely, 21111320231230 is an apocalyptic number.

1111320231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111320231230 is a deficient number, since it is larger than the sum of its proper divisors (1090685706946).

1111320231230 is a wasteful number, since it uses less digits than its factorization.

1111320231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201593.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1111320231230 its reverse (321320231111), we get a palindrome (1432640462341).

The spelling of 1111320231230 in words is "one trillion, one hundred eleven billion, three hundred twenty million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 191 263 382 526 955 1315 1910 2101 2630 2893 4202 5786 10505 14465 21010 28930 50233 100466 201121 251165 402242 502330 552563 1005605 1105126 2011210 2212331 2762815 4424662 5525630 11061655 22123310 38414111 52894823 76828222 105789646 192070555 264474115 384141110 422555221 528948230 581843053 845110442 1163686106 2112776105 2909215265 4225552210 5818430530 10102911193 20205822386 50514555965 101029111930 111132023123 222264046246 555660115615 1111320231230