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10312121200201 = 50772031144613
BaseRepresentation
bin1001011000001111101001…
…0100100010111001001001
31100111211101110100001100021
42112003322110202321021
52322423211011401301
633533153441340441
72113011655644022
oct226037224427111
940454343301307
1010312121200201
113316389643447
1211a6684637721
1359a576275c32
14279175ddbc49
1512d3968138a1
hex960fa522e49

10312121200201 has 4 divisors (see below), whose sum is σ = 10314152349892. Its totient is φ = 10310090050512.

The previous prime is 10312121200187. The next prime is 10312121200211. The reversal of 10312121200201 is 10200212121301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8497574803600 + 1814546396601 = 2915060^2 + 1347051^2 .

It is a cyclic number.

It is not a de Polignac number, because 10312121200201 - 211 = 10312121198153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10312121200211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015567230 + ... + 1015577383.

It is an arithmetic number, because the mean of its divisors is an integer number (2578538087473).

Almost surely, 210312121200201 is an apocalyptic number.

It is an amenable number.

10312121200201 is a deficient number, since it is larger than the sum of its proper divisors (2031149691).

10312121200201 is an equidigital number, since it uses as much as digits as its factorization.

10312121200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031149690.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10312121200201 its reverse (10200212121301), we get a palindrome (20512333321502).

The spelling of 10312121200201 in words is "ten trillion, three hundred twelve billion, one hundred twenty-one million, two hundred thousand, two hundred one".

Divisors: 1 5077 2031144613 10312121200201