Search a number
-
+
20444143314082 = 210222071657041
BaseRepresentation
bin1001010011000000001011…
…11001100110010010100010
32200101102220111110120120011
410221200011321212102202
510134424101142022312
6111251524302435134
74210016633632405
oct451400571462242
980342814416504
1020444143314082
116572348a17694
122362266292aaa
13b53b4a1c3967
14509704da9d3c
15256bebd99da7
hex129805e664a2

20444143314082 has 4 divisors (see below), whose sum is σ = 30666214971126. Its totient is φ = 10222071657040.

The previous prime is 20444143314079. The next prime is 20444143314083. The reversal of 20444143314082 is 28041334144402.

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

It can be written as a sum of positive squares in only one way, i.e., 10408166416561 + 10035976897521 = 3226169^2 + 3167961^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20444143314083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111035828519 + ... + 5111035828522.

Almost surely, 220444143314082 is an apocalyptic number.

20444143314082 is a deficient number, since it is larger than the sum of its proper divisors (10222071657044).

20444143314082 is a wasteful number, since it uses less digits than its factorization.

20444143314082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222071657043.

The product of its (nonzero) digits is 294912, while the sum is 40.

Adding to 20444143314082 its reverse (28041334144402), we get a palindrome (48485477458484).

The spelling of 20444143314082 in words is "twenty trillion, four hundred forty-four billion, one hundred forty-three million, three hundred fourteen thousand, eighty-two".

Divisors: 1 2 10222071657041 20444143314082