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2020311000043 = 7192799489909
BaseRepresentation
bin11101011001100011111…
…010110110001111101011
321011010202221120120001221
4131121203322312033223
5231100044104000133
64144041300122511
7265651122104440
oct35314372661753
97133687516057
102020311000043
11709899987836
12287672096437
1311868c4bb8ab
146dad81ad9c7
15378461cba2d
hex1d663eb63eb

2020311000043 has 12 divisors (see below), whose sum is σ = 2436845245680. Its totient is φ = 1640553291216.

The previous prime is 2020310999947. The next prime is 2020311000047. The reversal of 2020311000043 is 3400001130202.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-2020311000043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020310999990 and 2020311000026.

It is not an unprimeable number, because it can be changed into a prime (2020311000047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399742428 + ... + 399747481.

It is an arithmetic number, because the mean of its divisors is an integer number (203070437140).

Almost surely, 22020311000043 is an apocalyptic number.

2020311000043 is a deficient number, since it is larger than the sum of its proper divisors (416534245637).

2020311000043 is an equidigital number, since it uses as much as digits as its factorization.

2020311000043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799489954 (or 799489935 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2020311000043 its reverse (3400001130202), we get a palindrome (5420312130245).

The spelling of 2020311000043 in words is "two trillion, twenty billion, three hundred eleven million, forty-three", and thus it is an aban number.

Divisors: 1 7 19 133 361 2527 799489909 5596429363 15190308271 106332157897 288615857149 2020311000043