Search a number
-
+
212331122130 = 2357077704071
BaseRepresentation
bin1100010110111111101…
…0111100110111010010
3202022001201110121000110
43011233322330313102
511434323231402010
6241313224502150
721224522521251
oct3055772746722
9668051417013
10212331122130
118205a423826
123519931a956
131703ac5a44a
14a3c3a94798
1557cad00120
hex316febcdd2

212331122130 has 16 divisors (see below), whose sum is σ = 509594693184. Its totient is φ = 56621632560.

The previous prime is 212331122083. The next prime is 212331122207. The reversal of 212331122130 is 31221133212.

It is a junction number, because it is equal to n+sod(n) for n = 212331122097 and 212331122106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3538852006 + ... + 3538852065.

It is an arithmetic number, because the mean of its divisors is an integer number (31849668324).

Almost surely, 2212331122130 is an apocalyptic number.

212331122130 is an abundant number, since it is smaller than the sum of its proper divisors (297263571054).

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

212331122130 is a wasteful number, since it uses less digits than its factorization.

212331122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077704081.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212331122130 its reverse (31221133212), we get a palindrome (243552255342).

The spelling of 212331122130 in words is "two hundred twelve billion, three hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 7077704071 14155408142 21233112213 35388520355 42466224426 70777040710 106165561065 212331122130