Search a number
-
+
1112200212020 = 22555610010601
BaseRepresentation
bin10000001011110100010…
…011000110111000110100
310221022210010220202100012
4100023310103012320310
5121210241223241040
62210534314235352
7143232233550542
oct20136423067064
93838703822305
101112200212020
1139975502a947
1215b675725b58
1380b5956c741
143bb8b920d92
151dde6abd865
hex102f44c6e34

1112200212020 has 12 divisors (see below), whose sum is σ = 2335620445284. Its totient is φ = 444880084800.

The previous prime is 1112200211989. The next prime is 1112200212029. The reversal of 1112200212020 is 202120022111.

It can be written as a sum of positive squares in 2 ways, for example, as 208339299364 + 903860912656 = 456442^2 + 950716^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1112200211986 and 1112200212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112200212029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27805005281 + ... + 27805005320.

It is an arithmetic number, because the mean of its divisors is an integer number (194635037107).

Almost surely, 21112200212020 is an apocalyptic number.

1112200212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112200212020 is an abundant number, since it is smaller than the sum of its proper divisors (1223420233264).

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

1112200212020 is a wasteful number, since it uses less digits than its factorization.

1112200212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55610010610 (or 55610010608 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1112200212020 its reverse (202120022111), we get a palindrome (1314320234131).

The spelling of 1112200212020 in words is "one trillion, one hundred twelve billion, two hundred million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 55610010601 111220021202 222440042404 278050053005 556100106010 1112200212020