Search a number
-
+
2101201210 = 254127118911
BaseRepresentation
bin111110100111101…
…1100100100111010
312102102210002012001
41331033130210322
513300401414320
6544300011214
7103032626023
oct17517344472
95372702161
102101201210
11989089629
124a7830b0a
1327641b834
1415d0bdc4a
15c470320a
hex7d3dc93a

2101201210 has 32 divisors (see below), whose sum is σ = 3888912384. Its totient is φ = 816912000.

The previous prime is 2101201183. The next prime is 2101201237. The reversal of 2101201210 is 121021012.

It is an interprime number because it is at equal distance from previous prime (2101201183) and next prime (2101201237).

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 101655 + ... + 120565.

It is an arithmetic number, because the mean of its divisors is an integer number (121528512).

Almost surely, 22101201210 is an apocalyptic number.

2101201210 is a deficient number, since it is larger than the sum of its proper divisors (1787711174).

2101201210 is a wasteful number, since it uses less digits than its factorization.

2101201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19230.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2101201210 is about 45838.8613514777. The cubic root of 2101201210 is about 1280.8232842411.

Adding to 2101201210 its reverse (121021012), we get a palindrome (2222222222).

The spelling of 2101201210 in words is "two billion, one hundred one million, two hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 41 82 205 271 410 542 1355 2710 11111 18911 22222 37822 55555 94555 111110 189110 775351 1550702 3876755 5124881 7753510 10249762 25624405 51248810 210120121 420240242 1050600605 2101201210