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1552013321213 is a prime number
BaseRepresentation
bin10110100101011011001…
…100111110001111111101
312111101000110212121211202
4112211123030332033331
5200412010402234323
63144552435425245
7220062223364315
oct26453314761775
95441013777752
101552013321213
11549229071473
1221095a155225
13b347b315b54
1455191522445
152a588883d28
hex1695b33e3fd

1552013321213 has 2 divisors, whose sum is σ = 1552013321214. Its totient is φ = 1552013321212.

The previous prime is 1552013321189. The next prime is 1552013321231. The reversal of 1552013321213 is 3121233102551.

Together with next prime (1552013321231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1448549452249 + 103463868964 = 1203557^2 + 321658^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552013321213 - 220 = 1552012272637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1552013321813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776006660606 + 776006660607.

It is an arithmetic number, because the mean of its divisors is an integer number (776006660607).

Almost surely, 21552013321213 is an apocalyptic number.

It is an amenable number.

1552013321213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552013321213 is an equidigital number, since it uses as much as digits as its factorization.

1552013321213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 1552013321213 its reverse (3121233102551), we get a palindrome (4673246423764).

The spelling of 1552013321213 in words is "one trillion, five hundred fifty-two billion, thirteen million, three hundred twenty-one thousand, two hundred thirteen".