Search a number
-
+
1210130200 = 23526199191
BaseRepresentation
bin100100000100001…
…0001111100011000
310010100001222120001
41020020101330120
54434243131300
6320025142344
741662636246
oct11010217430
93110058501
101210130200
115710a5804
1229932a9b4
13163930396
14b6a09796
157138c16a
hex48211f18

1210130200 has 48 divisors (see below), whose sum is σ = 2859705360. Its totient is φ = 476112000.

The previous prime is 1210130189. The next prime is 1210130203. The reversal of 1210130200 is 20310121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210130203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37396 + ... + 61795.

It is an arithmetic number, because the mean of its divisors is an integer number (59577195).

Almost surely, 21210130200 is an apocalyptic number.

1210130200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210130200 is an abundant number, since it is smaller than the sum of its proper divisors (1649575160).

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

1210130200 is a wasteful number, since it uses less digits than its factorization.

1210130200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99268 (or 99259 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1210130200 is about 34786.9257049254. The cubic root of 1210130200 is about 1065.6404561702.

Adding to 1210130200 its reverse (20310121), we get a palindrome (1230440321).

The spelling of 1210130200 in words is "one billion, two hundred ten million, one hundred thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 61 100 122 200 244 305 488 610 1220 1525 2440 3050 6100 12200 99191 198382 396764 495955 793528 991910 1983820 2479775 3967640 4959550 6050651 9919100 12101302 19838200 24202604 30253255 48405208 60506510 121013020 151266275 242026040 302532550 605065100 1210130200