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20012324003 = 77964755933
BaseRepresentation
bin10010101000110100…
…111101010010100011
31220122200201101121022
4102220310331102203
5311441123332003
613105445320055
71305631642640
oct225064752243
956580641538
1020012324003
11853a487251
123a6610602b
131b6c101249
14d7bbb2dc7
157c1da2738
hex4a8d3d4a3

20012324003 has 16 divisors (see below), whose sum is σ = 23196948480. Its totient is φ = 16909809696.

The previous prime is 20012323957. The next prime is 20012324021. The reversal of 20012324003 is 30042321002.

It is not a de Polignac number, because 20012324003 - 218 = 20012061859 is a prime.

It is a super-2 number, since 2×200123240032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012324023) by changing a digit.

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, 329825 + ... + 385757.

It is an arithmetic number, because the mean of its divisors is an integer number (1449809280).

Almost surely, 220012324003 is an apocalyptic number.

20012324003 is a deficient number, since it is larger than the sum of its proper divisors (3184624477).

20012324003 is an equidigital number, since it uses as much as digits as its factorization.

20012324003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56666.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20012324003 its reverse (30042321002), we get a palindrome (50054645005).

The spelling of 20012324003 in words is "twenty billion, twelve million, three hundred twenty-four thousand, three".

Divisors: 1 7 79 553 647 4529 51113 55933 357791 391531 4418707 30930949 36188651 253320557 2858903429 20012324003