Search a number
-
+
2130122221112 = 231953311850207
BaseRepresentation
bin11110111111110101001…
…011011010011000111000
321112122012212202120102202
4132333311023122120320
5234344442242033422
64310321543445332
7306616262064134
oct36776513323070
97478185676382
102130122221112
1175141a5094a6
122a49b9756848
13125b3c85ca92
14751542923c4
153a621934b92
hex1eff52da638

2130122221112 has 64 divisors (see below), whose sum is σ = 4297291315200. Its totient is φ = 986783091840.

The previous prime is 2130122221103. The next prime is 2130122221133. The reversal of 2130122221112 is 2111222210312.

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, 2080313 + ... + 2930519.

It is an arithmetic number, because the mean of its divisors is an integer number (67145176800).

Almost surely, 22130122221112 is an apocalyptic number.

It is an amenable number.

2130122221112 is an abundant number, since it is smaller than the sum of its proper divisors (2167169094088).

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

2130122221112 is a wasteful number, since it uses less digits than its factorization.

2130122221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850596 (or 850592 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2130122221112 its reverse (2111222210312), we get a palindrome (4241344431424).

The spelling of 2130122221112 in words is "two trillion, one hundred thirty billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 19 38 53 76 106 152 212 311 424 622 1007 1244 2014 2488 4028 5909 8056 11818 16483 23636 32966 47272 65932 131864 313177 626354 850207 1252708 1700414 2505416 3400828 6801656 16153933 32307866 45060971 64615732 90121942 129231464 180243884 264414377 360487768 528828754 856158449 1057657508 1712316898 2115315016 3424633796 5023873163 6849267592 10047746326 14013961981 20095492652 28027923962 40190985304 56055847924 112111695848 266265277639 532530555278 1065061110556 2130122221112