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1220301431233 = 471031671509439
BaseRepresentation
bin10001110000011111101…
…000100010000111000001
311022122210220102200010221
4101300133220202013001
5124443134131244413
62332333154423041
7154110131010133
oct21603750420701
94278726380127
101220301431233
11430588387935
12178604591a81
138b0c6571a01
14430c4877053
1521b2214968d
hex11c1fa221c1

1220301431233 has 16 divisors (see below), whose sum is σ = 1265900912640. Its totient is φ = 1175658993936.

The previous prime is 1220301431201. The next prime is 1220301431257. The reversal of 1220301431233 is 3321341030221.

It is a cyclic number.

It is not a de Polignac number, because 1220301431233 - 25 = 1220301431201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220301431198 and 1220301431207.

It is not an unprimeable number, because it can be changed into a prime (1220401431233) 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 15 ways as a sum of consecutive naturals, for example, 53728 + ... + 1563166.

It is an arithmetic number, because the mean of its divisors is an integer number (79118807040).

Almost surely, 21220301431233 is an apocalyptic number.

It is an amenable number.

1220301431233 is a deficient number, since it is larger than the sum of its proper divisors (45599481407).

1220301431233 is a wasteful number, since it uses less digits than its factorization.

1220301431233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509756.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1220301431233 its reverse (3321341030221), we get a palindrome (4541642461454).

The spelling of 1220301431233 in words is "one trillion, two hundred twenty billion, three hundred one million, four hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 47 103 167 4841 7849 17201 808447 1509439 70943633 155472217 252076313 7307194199 11847586711 25963860239 1220301431233