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1313213010121 = 4751675407529
BaseRepresentation
bin10011000111000001100…
…110000101000011001001
311122112122001221220122101
4103013001212011003021
5133003430012310441
62443140504153401
7163606433260645
oct23070146050311
94575561856571
101313213010121
11466a26566271
12192614468861
1396ab265a11c
14477ba321c25
152425de01231
hex131c19850c9

1313213010121 has 8 divisors (see below), whose sum is σ = 1341413521920. Its totient is φ = 1285023323808.

The previous prime is 1313213010107. The next prime is 1313213010157. The reversal of 1313213010121 is 1210103123131.

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 1313213010121 - 213 = 1313213001929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313213010191) 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, 2460916 + ... + 2946613.

It is an arithmetic number, because the mean of its divisors is an integer number (167676690240).

Almost surely, 21313213010121 is an apocalyptic number.

It is an amenable number.

1313213010121 is a deficient number, since it is larger than the sum of its proper divisors (28200511799).

1313213010121 is an equidigital number, since it uses as much as digits as its factorization.

1313213010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5412743.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1313213010121 its reverse (1210103123131), we get a palindrome (2523316133252).

The spelling of 1313213010121 in words is "one trillion, three hundred thirteen billion, two hundred thirteen million, ten thousand, one hundred twenty-one".

Divisors: 1 47 5167 242849 5407529 254153863 27940702343 1313213010121