Search a number
-
+
1222030010020 = 22561101500501
BaseRepresentation
bin10001110010000110101…
…010100010011010100100
311022211021101001120110111
4101302012222202122210
5130010204140310040
62333220504102404
7154201020461341
oct21620652423244
94284241046414
101222030010020
1143129509a746
12178a07464a04
138b3107163b1
144320a27b7c8
1521bc3c95dea
hex11c86aa26a4

1222030010020 has 12 divisors (see below), whose sum is σ = 2566263021084. Its totient is φ = 488812004000.

The previous prime is 1222030009943. The next prime is 1222030010023. The reversal of 1222030010020 is 200100302221.

It can be written as a sum of positive squares in 2 ways, for example, as 256888812964 + 965141197056 = 506842^2 + 982416^2 .

It is not an unprimeable number, because it can be changed into a prime (1222030010023) by changing a digit.

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, 30550750231 + ... + 30550750270.

It is an arithmetic number, because the mean of its divisors is an integer number (213855251757).

Almost surely, 21222030010020 is an apocalyptic number.

1222030010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222030010020 is an abundant number, since it is smaller than the sum of its proper divisors (1344233011064).

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

1222030010020 is a wasteful number, since it uses less digits than its factorization.

1222030010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61101500510 (or 61101500508 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1222030010020 its reverse (200100302221), we get a palindrome (1422130312241).

The spelling of 1222030010020 in words is "one trillion, two hundred twenty-two billion, thirty million, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 61101500501 122203001002 244406002004 305507502505 611015005010 1222030010020