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1220310242322 = 23787258430801
BaseRepresentation
bin10001110000100000001…
…010001001010000010010
311022122211112000022200120
4101300200022021100102
5124443143410223242
62332334111331110
7154110265625343
oct21604012112022
94278745008616
101220310242322
11430592355826
12178607520a96
138b0c8338382
14430c5acc0ca
1521b22cda1ec
hex11c20289412

1220310242322 has 16 divisors (see below), whose sum is σ = 2443721663712. Its totient is φ = 406253217600.

The previous prime is 1220310242317. The next prime is 1220310242329. The reversal of 1220310242322 is 2232420130221.

It is a junction number, because it is equal to n+sod(n) for n = 1220310242292 and 1220310242301.

It is not an unprimeable number, because it can be changed into a prime (1220310242329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129210679 + ... + 129220122.

It is an arithmetic number, because the mean of its divisors is an integer number (152732603982).

Almost surely, 21220310242322 is an apocalyptic number.

1220310242322 is an abundant number, since it is smaller than the sum of its proper divisors (1223411421390).

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

1220310242322 is a wasteful number, since it uses less digits than its factorization.

1220310242322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258431593.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1220310242322 its reverse (2232420130221), we get a palindrome (3452730372543).

The spelling of 1220310242322 in words is "one trillion, two hundred twenty billion, three hundred ten million, two hundred forty-two thousand, three hundred twenty-two".

Divisors: 1 2 3 6 787 1574 2361 4722 258430801 516861602 775292403 1550584806 203385040387 406770080774 610155121161 1220310242322