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10003210231 = 719315234639
BaseRepresentation
bin10010101000011110…
…01101111111110111
3221211010210201201211
421110033031333313
5130441310211411
64332335302251
7502613612140
oct112417157767
927733721654
1010003210231
1142736079a3
121b3207a987
13c35572711
146ac75aac7
153d82e4221
hex2543cdff7

10003210231 has 32 divisors (see below), whose sum is σ = 12448563200. Its totient is φ = 7844156640.

The previous prime is 10003210223. The next prime is 10003210237. The reversal of 10003210231 is 13201230001.

It is a cyclic number.

It is not a de Polignac number, because 10003210231 - 23 = 10003210223 is a prime.

It is a super-2 number, since 2×100032102312 (a number of 21 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 (10003210237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2154010 + ... + 2158648.

It is an arithmetic number, because the mean of its divisors is an integer number (389017600).

Almost surely, 210003210231 is an apocalyptic number.

10003210231 is a deficient number, since it is larger than the sum of its proper divisors (2445352969).

10003210231 is a wasteful number, since it uses less digits than its factorization.

10003210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10003210231 its reverse (13201230001), we get a palindrome (23204440232).

The spelling of 10003210231 in words is "ten billion, three million, two hundred ten thousand, two hundred thirty-one".

Divisors: 1 7 19 31 133 217 523 589 3661 4123 4639 9937 16213 32473 69559 88141 113491 143809 308047 616987 1006663 2156329 2426197 2732371 16983379 19126597 46097743 75212107 322684201 526484749 1429030033 10003210231