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20024030051 = 125927159013
BaseRepresentation
bin10010101001100001…
…100111001101100011
31220200111202010021122
4102221201213031203
5312002122430201
613110544242455
71306133306234
oct225141471543
956614663248
1020024030051
118546052173
123a6a01042b
131b7166c4bc
14d7d57d08b
157c2e15e1b
hex4a9867363

20024030051 has 4 divisors (see below), whose sum is σ = 20024314992. Its totient is φ = 20023745112.

The previous prime is 20024030017. The next prime is 20024030083. The reversal of 20024030051 is 15003042002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20024030051 - 210 = 20024029027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20024039051) 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 3 ways as a sum of consecutive naturals, for example, 46421 + ... + 205433.

It is an arithmetic number, because the mean of its divisors is an integer number (5006078748).

Almost surely, 220024030051 is an apocalyptic number.

20024030051 is a deficient number, since it is larger than the sum of its proper divisors (284941).

20024030051 is a wasteful number, since it uses less digits than its factorization.

20024030051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284940.

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 20024030051 its reverse (15003042002), we get a palindrome (35027072053).

The spelling of 20024030051 in words is "twenty billion, twenty-four million, thirty thousand, fifty-one".

Divisors: 1 125927 159013 20024030051