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20041023045 = 359713773899
BaseRepresentation
bin10010101010100010…
…011011111001000101
31220201200201110021210
4102222202123321011
5312021000214140
613112352402033
71306430612421
oct225242337105
956650643253
1020041023045
1185546a926a
123a73846319
131b7503c024
14d81923b81
157c4670d80
hex4aa89be45

20041023045 has 16 divisors (see below), whose sum is σ = 32396212800. Its totient is φ = 10578353664.

The previous prime is 20041023001. The next prime is 20041023089. The reversal of 20041023045 is 54032014002.

It is an interprime number because it is at equal distance from previous prime (20041023001) and next prime (20041023089).

It is not a de Polignac number, because 20041023045 - 28 = 20041022789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6885495 + ... + 6888404.

It is an arithmetic number, because the mean of its divisors is an integer number (2024763300).

Almost surely, 220041023045 is an apocalyptic number.

It is an amenable number.

20041023045 is a deficient number, since it is larger than the sum of its proper divisors (12355189755).

20041023045 is a wasteful number, since it uses less digits than its factorization.

20041023045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13774004.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20041023045 its reverse (54032014002), we get a palindrome (74073037047).

The spelling of 20041023045 in words is "twenty billion, forty-one million, twenty-three thousand, forty-five".

Divisors: 1 3 5 15 97 291 485 1455 13773899 41321697 68869495 206608485 1336068203 4008204609 6680341015 20041023045