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1220340313301 = 17091028969401
BaseRepresentation
bin10001110000100001111…
…100110110110011010101
311022122220121121002022112
4101300201330312303111
5124443224110011201
62332341104040405
7154111112341004
oct21604174666325
94278817532275
101220340313301
114305a832457a
12178615603105
138b101636755
14430c9ab8c3b
1521b2577a0bb
hex11c21f36cd5

1220340313301 has 8 divisors (see below), whose sum is σ = 1221190651800. Its totient is φ = 1219490137600.

The previous prime is 1220340313261. The next prime is 1220340313351. The reversal of 1220340313301 is 1033130430221.

It can be written as a sum of positive squares in 4 ways, for example, as 314750172676 + 905590140625 = 561026^2 + 951625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220340313301 - 222 = 1220336118997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220340313351) 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, 17549201 + ... + 17618601.

It is an arithmetic number, because the mean of its divisors is an integer number (152648831475).

Almost surely, 21220340313301 is an apocalyptic number.

It is an amenable number.

1220340313301 is a deficient number, since it is larger than the sum of its proper divisors (850338499).

1220340313301 is a wasteful number, since it uses less digits than its factorization.

1220340313301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81399.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1220340313301 its reverse (1033130430221), we get a palindrome (2253470743522).

The spelling of 1220340313301 in words is "one trillion, two hundred twenty billion, three hundred forty million, three hundred thirteen thousand, three hundred one".

Divisors: 1 1709 10289 69401 17583901 118606309 714066889 1220340313301