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20003402151 = 322396634793
BaseRepresentation
bin10010101000010010…
…111011000110100111
31220122001221010010100
4102220102323012213
5311431332332101
613104530155143
71305463053465
oct225022730647
956561833110
1020003402151
118535443117
123a63122ab3
131b6a2c9345
14d7a92d835
157c11dde86
hex4a84bb1a7

20003402151 has 12 divisors (see below), whose sum is σ = 30150055728. Its totient is φ = 12755792544.

The previous prime is 20003402149. The next prime is 20003402173. The reversal of 20003402151 is 15120430002.

It is not a de Polignac number, because 20003402151 - 21 = 20003402149 is a prime.

It is a super-2 number, since 2×200034021512 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003404151) 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 11 ways as a sum of consecutive naturals, for example, 48317190 + ... + 48317603.

It is an arithmetic number, because the mean of its divisors is an integer number (2512504644).

Almost surely, 220003402151 is an apocalyptic number.

20003402151 is a deficient number, since it is larger than the sum of its proper divisors (10146653577).

20003402151 is a wasteful number, since it uses less digits than its factorization.

20003402151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96634822 (or 96634819 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 20003402151 its reverse (15120430002), we get a palindrome (35123832153).

The spelling of 20003402151 in words is "twenty billion, three million, four hundred two thousand, one hundred fifty-one".

Divisors: 1 3 9 23 69 207 96634793 289904379 869713137 2222600239 6667800717 20003402151