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2020100300023 = 13155392330771
BaseRepresentation
bin11101011001010111010…
…111000101110011110111
321011010020021002212222111
4131121113113011303313
5231044131134100043
64144004332111451
7265642653143611
oct35312727056367
97133207085874
102020100300023
117097a0a56793
12287613605587
13118657959220
146dab8203db1
153783295c09d
hex1d6575c5cf7

2020100300023 has 4 divisors (see below), whose sum is σ = 2175492630808. Its totient is φ = 1864707969240.

The previous prime is 2020100300003. The next prime is 2020100300039. The reversal of 2020100300023 is 3200030010202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2020100300023 - 237 = 1882661346551 is a prime.

It is a super-2 number, since 2×20201003000232 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 155392330771 = 2020100300023 / (2 + 0 + 2 + 0 + 1 + 0 + 0 + 3 + 0 + 0 + 0 + 2 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020100299976 and 2020100300012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020100300003) 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, 77696165373 + ... + 77696165398.

It is an arithmetic number, because the mean of its divisors is an integer number (543873157702).

Almost surely, 22020100300023 is an apocalyptic number.

2020100300023 is a deficient number, since it is larger than the sum of its proper divisors (155392330785).

2020100300023 is a wasteful number, since it uses less digits than its factorization.

2020100300023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155392330784.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 2020100300023 its reverse (3200030010202), we get a palindrome (5220130310225).

The spelling of 2020100300023 in words is "two trillion, twenty billion, one hundred million, three hundred thousand, twenty-three".

Divisors: 1 13 155392330771 2020100300023