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1220303133441 = 327101591906673
BaseRepresentation
bin10001110000011111101…
…111000001101100000001
311022122211000122011010200
4101300133233001230001
5124443140100232231
62332333255115413
7154110151326630
oct21603757015401
94278730564120
101220303133441
1143058933a817
12178605072b69
138b0c6a19732
14430c4b9b517
1521b22383be6
hex11c1fbc1b01

1220303133441 has 24 divisors (see below), whose sum is σ = 2014668015360. Its totient is φ = 697247070336.

The previous prime is 1220303133409. The next prime is 1220303133443. The reversal of 1220303133441 is 1443313030221.

It is a happy number.

1220303133441 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 3 + 0 + 313 + 344 + 1 = 666.

It is not a de Polignac number, because 1220303133441 - 25 = 1220303133409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1220303133443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313320 + ... + 1593353.

It is an arithmetic number, because the mean of its divisors is an integer number (83944500640).

Almost surely, 21220303133441 is an apocalyptic number.

It is an amenable number.

1220303133441 is a deficient number, since it is larger than the sum of its proper divisors (794364881919).

1220303133441 is a wasteful number, since it uses less digits than its factorization.

1220303133441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916845 (or 1916842 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1220303133441 its reverse (1443313030221), we get a palindrome (2663616163662).

The spelling of 1220303133441 in words is "one trillion, two hundred twenty billion, three hundred three million, one hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 3 7 9 21 63 10159 30477 71113 91431 213339 640017 1906673 5720019 13346711 17160057 40040133 120120399 19369891007 58109673021 135589237049 174329019063 406767711147 1220303133441