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201203103321013 = 5313732764956277
BaseRepresentation
bin101101101111111000111111…
…100000000100101110110101
3222101101211101012210012200011
4231233320333200010232311
5202333002423422233023
61551531232445020221
760244305315646633
oct5557707740045665
9871354335705604
10201203103321013
115912283651a452
121a696614254671
1388364a97953c1
1437983d436c353
15183db4b42c50d
hexb6fe3f804bb5

201203103321013 has 8 divisors (see below), whose sum is σ = 205148696002488. Its totient is φ = 197263040554944.

The previous prime is 201203103320987. The next prime is 201203103321109. The reversal of 201203103321013 is 310123301302102.

It can be written as a sum of positive squares in 4 ways, for example, as 83646810014769 + 117556293306244 = 9145863^2 + 10842338^2 .

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 201203103321013 - 25 = 201203103320981 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 (201203103321713) 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, 1382405370 + ... + 1382550907.

It is an arithmetic number, because the mean of its divisors is an integer number (25643587000311).

Almost surely, 2201203103321013 is an apocalyptic number.

It is an amenable number.

201203103321013 is a deficient number, since it is larger than the sum of its proper divisors (3945592681475).

201203103321013 is a wasteful number, since it uses less digits than its factorization.

201203103321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764957703.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 201203103321013 its reverse (310123301302102), we get a palindrome (511326404623115).

The spelling of 201203103321013 in words is "two hundred one trillion, two hundred three billion, one hundred three million, three hundred twenty-one thousand, thirteen".

Divisors: 1 53 1373 72769 2764956277 146542682681 3796284968321 201203103321013