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2122021030 = 25614218263
BaseRepresentation
bin111111001111011…
…0111100010100110
312110212221211121111
41332132313202212
513321214133110
6550322135234
7103404611143
oct17636674246
95425854544
102122021030
11999909898
124b27b151a
1327a82b15c
14161b7d3ca
15c6466e8a
hex7e7b78a6

2122021030 has 32 divisors (see below), whose sum is σ = 3891947328. Its totient is φ = 832809600.

The previous prime is 2122020991. The next prime is 2122021043. The reversal of 2122021030 is 301202212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122021030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252679 + ... + 260941.

It is an arithmetic number, because the mean of its divisors is an integer number (121623354).

Almost surely, 22122021030 is an apocalyptic number.

2122021030 is a deficient number, since it is larger than the sum of its proper divisors (1769926298).

2122021030 is a wasteful number, since it uses less digits than its factorization.

2122021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8752.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2122021030 is about 46065.3994881191. The cubic root of 2122021030 is about 1285.0397480475.

Adding to 2122021030 its reverse (301202212), we get a palindrome (2423223242).

The spelling of 2122021030 in words is "two billion, one hundred twenty-two million, twenty-one thousand, thirty".

Divisors: 1 2 5 10 61 122 305 421 610 842 2105 4210 8263 16526 25681 41315 51362 82630 128405 256810 504043 1008086 2520215 3478723 5040430 6957446 17393615 34787230 212202103 424404206 1061010515 2122021030