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100203203230 = 251323291155613
BaseRepresentation
bin101110101010010010…
…0111000101010011110
3100120122100000010200021
41131110210320222132
53120204010000410
6114011022222354
710145062113514
oct1352444705236
9316570003607
10100203203230
1139550106759
1217505a249ba
1395ab948a40
144bc80384b4
152916ec7eda
hex1754938a9e

100203203230 has 64 divisors (see below), whose sum is σ = 209674604160. Its totient is φ = 34169135616.

The previous prime is 100203203203. The next prime is 100203203231. The reversal of 100203203230 is 32302302001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100203203231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491097 + ... + 664516.

It is an arithmetic number, because the mean of its divisors is an integer number (3276165690).

Almost surely, 2100203203230 is an apocalyptic number.

100203203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100203203230 is an abundant number, since it is smaller than the sum of its proper divisors (109471400930).

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

100203203230 is a wasteful number, since it uses less digits than its factorization.

100203203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155685.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 100203203230 its reverse (32302302001), we get a palindrome (132505505231).

The spelling of 100203203230 in words is "one hundred billion, two hundred three million, two hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 13 23 26 29 46 58 65 115 130 145 230 290 299 377 598 667 754 1334 1495 1885 2990 3335 3770 6670 8671 17342 43355 86710 1155613 2311226 5778065 11556130 15022969 26579099 30045938 33512777 53158198 67025554 75114845 132895495 150229690 167563885 265790990 335127770 345528287 435666101 691056574 770793871 871332202 1541587742 1727641435 2178330505 3455282870 3853969355 4356661010 7707938710 10020320323 20040640646 50101601615 100203203230