Search a number
-
+
1112213102020 = 22555610655101
BaseRepresentation
bin10000001011110101000…
…100010001110111000100
310221022211001011122002121
4100023311010101313010
5121210303023231040
62210535454415324
7143232451244656
oct20136504216704
93838731148077
101112213102020
11399761334339
1215b679b01544
1380b5c133867
143bb8d5186d6
151dde7cb7c4a
hex102f5111dc4

1112213102020 has 12 divisors (see below), whose sum is σ = 2335647514284. Its totient is φ = 444885240800.

The previous prime is 1112213102009. The next prime is 1112213102047. The reversal of 1112213102020 is 202013122111.

It can be written as a sum of positive squares in 2 ways, for example, as 200218661764 + 911994440256 = 447458^2 + 954984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1112213101985 and 1112213102003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27805327531 + ... + 27805327570.

It is an arithmetic number, because the mean of its divisors is an integer number (194637292857).

Almost surely, 21112213102020 is an apocalyptic number.

1112213102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112213102020 is an abundant number, since it is smaller than the sum of its proper divisors (1223434412264).

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

1112213102020 is a wasteful number, since it uses less digits than its factorization.

1112213102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55610655110 (or 55610655108 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1112213102020 its reverse (202013122111), we get a palindrome (1314226224131).

The spelling of 1112213102020 in words is "one trillion, one hundred twelve billion, two hundred thirteen million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 55610655101 111221310202 222442620404 278053275505 556106551010 1112213102020