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20310316121039 = 75861495047557
BaseRepresentation
bin1001001111000110111010…
…01011010111101111001111
32122220122110211222210001212
410213203131023113233033
510130231011411333124
6111110232545325035
74164241365361010
oct447433513275717
978818424883055
1020310316121039
116520613a637aa
12234033793677b
13b44340453579
1450304b4d1007
152534b804840e
hex1278dd2d7bcf

20310316121039 has 8 divisors (see below), whose sum is σ = 23215750279968. Its totient is φ = 17405872068960.

The previous prime is 20310316121003. The next prime is 20310316121093. The reversal of 20310316121039 is 93012161301302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20310316121039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20310316120996 and 20310316121014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310316121099) 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, 247482752 + ... + 247564805.

It is an arithmetic number, because the mean of its divisors is an integer number (2901968784996).

Almost surely, 220310316121039 is an apocalyptic number.

20310316121039 is a deficient number, since it is larger than the sum of its proper divisors (2905434158929).

20310316121039 is an equidigital number, since it uses as much as digits as its factorization.

20310316121039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495053425.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 20310316121039 in words is "twenty trillion, three hundred ten billion, three hundred sixteen million, one hundred twenty-one thousand, thirty-nine".

Divisors: 1 7 5861 41027 495047557 3465332899 2901473731577 20310316121039