Search a number
-
+
2012220121110 = 235431559860559
BaseRepresentation
bin11101010010000001101…
…010100110000000010110
321010100220002011022201020
4131102001222212000112
5230432011322333420
64140222352342010
7265243455551223
oct35220152460026
97110802138636
102012220121110
11706417888731
12285b94544906
131179a01a9774
146d56b80a94a
1537520c2e340
hex1d481aa6016

2012220121110 has 32 divisors (see below), whose sum is σ = 4941638254080. Its totient is φ = 524113147488.

The previous prime is 2012220121103. The next prime is 2012220121151. The reversal of 2012220121110 is 111210222102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2012220121110.

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, 779928990 + ... + 779931569.

It is an arithmetic number, because the mean of its divisors is an integer number (154426195440).

Almost surely, 22012220121110 is an apocalyptic number.

2012220121110 is an abundant number, since it is smaller than the sum of its proper divisors (2929418132970).

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

2012220121110 is a wasteful number, since it uses less digits than its factorization.

2012220121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559860612.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2012220121110 its reverse (111210222102), we get a palindrome (2123430343212).

The spelling of 2012220121110 in words is "two trillion, twelve billion, two hundred twenty million, one hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 1559860559 3119721118 4679581677 7799302795 9359163354 15598605590 23397908385 46795816770 67074004037 134148008074 201222012111 335370020185 402444024222 670740040370 1006110060555 2012220121110