Search a number
-
+
2121303010 = 251731140123
BaseRepresentation
bin111111001110000…
…1000001111100010
312110211121100200011
41332130020033202
513321023144020
6550254515134
7103365530611
oct17634101742
95424540604
102121303010
11999469392
124b2505aaa
1327a6393a8
14161a33878
15c637435a
hex7e7083e2

2121303010 has 32 divisors (see below), whose sum is σ = 4056054912. Its totient is φ = 796020480.

The previous prime is 2121303007. The next prime is 2121303011. The reversal of 2121303010 is 103031212.

It is not an unprimeable number, because it can be changed into a prime (2121303011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32809 + ... + 72931.

It is an arithmetic number, because the mean of its divisors is an integer number (126751716).

Almost surely, 22121303010 is an apocalyptic number.

2121303010 is a deficient number, since it is larger than the sum of its proper divisors (1934751902).

2121303010 is a wasteful number, since it uses less digits than its factorization.

2121303010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40458.

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

The square root of 2121303010 is about 46057.6053437432. The cubic root of 2121303010 is about 1284.8947937304.

Adding to 2121303010 its reverse (103031212), we get a palindrome (2224334222).

The spelling of 2121303010 in words is "two billion, one hundred twenty-one million, three hundred three thousand, ten".

Divisors: 1 2 5 10 17 34 85 170 311 622 1555 3110 5287 10574 26435 40123 52870 80246 200615 401230 682091 1364182 3410455 6820910 12478253 24956506 62391265 124782530 212130301 424260602 1060651505 2121303010