Search a number
-
+
2121422030 = 257133317043
BaseRepresentation
bin111111001110010…
…0101010011001110
312110211211101221022
41332130211103032
513321041001110
6550301234142
7103366534610
oct17634452316
95424741838
102121422030
1199953a852
124b2562952
1327a67b610
14161a64db0
15c6399755
hex7e7254ce

2121422030 has 64 divisors (see below), whose sum is σ = 4714633728. Its totient is φ = 669271680.

The previous prime is 2121421979. The next prime is 2121422057. The reversal of 2121422030 is 302241212.

2121422030 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297689 + ... + 304731.

It is an arithmetic number, because the mean of its divisors is an integer number (73666152).

Almost surely, 22121422030 is an apocalyptic number.

2121422030 is an abundant number, since it is smaller than the sum of its proper divisors (2593211698).

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

2121422030 is a wasteful number, since it uses less digits than its factorization.

2121422030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7401.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2121422030 is about 46058.8974032162. The cubic root of 2121422030 is about 1284.9188238223.

Adding to 2121422030 its reverse (302241212), we get a palindrome (2423663242).

The spelling of 2121422030 in words is "two billion, one hundred twenty-one million, four hundred twenty-two thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 331 455 662 910 1655 2317 3310 4303 4634 7043 8606 11585 14086 21515 23170 30121 35215 43030 49301 60242 70430 91559 98602 150605 183118 246505 301210 457795 493010 640913 915590 1281826 2331233 3204565 4662466 6409130 11656165 16318631 23312330 30306029 32637262 60612058 81593155 151530145 163186310 212142203 303060290 424284406 1060711015 2121422030