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552051203012021 = 4312838400070047
BaseRepresentation
bin111110110000101100110111…
…1110110100111010110110101
32200101122120122112002021102002
41331201121233312213112311
51034324301330432341041
65234040453242225045
7224165245305461366
oct17541315766472665
92611576575067362
10552051203012021
1114a99a6671784a9
1251abb27aab5185
131a9062886c817b
149a475c6919b6d
1543c51ba81359b
hex1f6166fda75b5

552051203012021 has 4 divisors (see below), whose sum is σ = 564889603082112. Its totient is φ = 539212802941932.

The previous prime is 552051203011993. The next prime is 552051203012027. The reversal of 552051203012021 is 120210302150255.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 552051203012021 - 242 = 547653156500917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552051203012027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6419200034981 + ... + 6419200035066.

It is an arithmetic number, because the mean of its divisors is an integer number (141222400770528).

Almost surely, 2552051203012021 is an apocalyptic number.

It is an amenable number.

552051203012021 is a deficient number, since it is larger than the sum of its proper divisors (12838400070091).

552051203012021 is a wasteful number, since it uses less digits than its factorization.

552051203012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838400070090.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 552051203012021 its reverse (120210302150255), we get a palindrome (672261505162276).

The spelling of 552051203012021 in words is "five hundred fifty-two trillion, fifty-one billion, two hundred three million, twelve thousand, twenty-one".

Divisors: 1 43 12838400070047 552051203012021