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20533300141 = 70129291441
BaseRepresentation
bin10011000111111000…
…010100101110101101
31222000000000201111211
4103013320110232231
5314023011101031
613233255514421
71324556112544
oct230770245655
958000021454
1020533300141
118787570342
123b90688a11
131c2301bb53
14dcb06915b
158029b0bb1
hex4c7e14bad

20533300141 has 4 divisors (see below), whose sum is σ = 20562592284. Its totient is φ = 20504008000.

The previous prime is 20533300129. The next prime is 20533300153. The reversal of 20533300141 is 14100333502.

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

It is an interprime number because it is at equal distance from previous prime (20533300129) and next prime (20533300153).

It can be written as a sum of positive squares in 2 ways, for example, as 11675666916 + 8857633225 = 108054^2 + 94115^2 .

It is a cyclic number.

It is not a de Polignac number, because 20533300141 - 29 = 20533299629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20533306141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14645020 + ... + 14646421.

It is an arithmetic number, because the mean of its divisors is an integer number (5140648071).

Almost surely, 220533300141 is an apocalyptic number.

It is an amenable number.

20533300141 is a deficient number, since it is larger than the sum of its proper divisors (29292143).

20533300141 is an equidigital number, since it uses as much as digits as its factorization.

20533300141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29292142.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 20533300141 its reverse (14100333502), we get a palindrome (34633633643).

The spelling of 20533300141 in words is "twenty billion, five hundred thirty-three million, three hundred thousand, one hundred forty-one".

Divisors: 1 701 29291441 20533300141