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100221615230 = 25113158750069
BaseRepresentation
bin101110101010110101…
…1000111110001111110
3100120200121122120012012
41131111223013301332
53120223213141410
6114012521011222
710145404450022
oct1352553076176
9316617576165
10100221615230
113955a541990
1217510023b12
1395b26c4409
144bca66c382
152918913605
hex1755ac7c7e

100221615230 has 64 divisors (see below), whose sum is σ = 203497297920. Its totient is φ = 35207817600.

The previous prime is 100221615223. The next prime is 100221615233. The reversal of 100221615230 is 32516122001.

100221615230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 100221615196 and 100221615205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221615233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1976636 + ... + 2026704.

It is an arithmetic number, because the mean of its divisors is an integer number (3179645280).

Almost surely, 2100221615230 is an apocalyptic number.

100221615230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100221615230 is an abundant number, since it is smaller than the sum of its proper divisors (103275682690).

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

100221615230 is a wasteful number, since it uses less digits than its factorization.

100221615230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50705.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 100221615230 its reverse (32516122001), we get a palindrome (132737737231).

The spelling of 100221615230 in words is "one hundred billion, two hundred twenty-one million, six hundred fifteen thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 587 682 1174 1705 2935 3410 5870 6457 12914 18197 32285 36394 50069 64570 90985 100138 181970 200167 250345 400334 500690 550759 1000835 1101518 1552139 2001670 2753795 3104278 5507590 7760695 15521390 17073529 29390503 34147058 58781006 85367645 146952515 170735290 293905030 323295533 646591066 911105593 1616477665 1822211186 3232955330 4555527965 9111055930 10022161523 20044323046 50110807615 100221615230