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2003231113212 = 223727827857009
BaseRepresentation
bin11101001001101001111…
…000001111111111111100
321002111200121202102000210
4131021221320033333330
5230310104131110322
64132134402552420
7264504635341140
oct35115170177774
97074617672023
102003231113212
11702624814a8a
122842a6068710
13116b99aa7794
146cd57a57220
15371969c470c
hex1d269e0fffc

2003231113212 has 48 divisors (see below), whose sum is σ = 5342147838720. Its totient is φ = 572330510592.

The previous prime is 2003231113207. The next prime is 2003231113217. The reversal of 2003231113212 is 2123111323002.

It is an interprime number because it is at equal distance from previous prime (2003231113207) and next prime (2003231113217).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003231113217) 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, 1908964 + ... + 2765972.

It is an arithmetic number, because the mean of its divisors is an integer number (111294746640).

Almost surely, 22003231113212 is an apocalyptic number.

It is an amenable number.

2003231113212 is an abundant number, since it is smaller than the sum of its proper divisors (3338916725508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003231113212 is a wasteful number, since it uses less digits than its factorization.

2003231113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884850 (or 884848 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2003231113212 its reverse (2123111323002), we get a palindrome (4126342436214).

The spelling of 2003231113212 in words is "two trillion, three billion, two hundred thirty-one million, one hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 27827 55654 83481 111308 166962 194789 333924 389578 584367 779156 857009 1168734 1714018 2337468 2571027 3428036 5142054 5999063 10284108 11998126 17997189 23996252 35994378 71988756 23847989443 47695978886 71543968329 95391957772 143087936658 166935926101 286175873316 333871852202 500807778303 667743704404 1001615556606 2003231113212