Search a number
-
+
20097448473 = 353939713451
BaseRepresentation
bin10010101101111001…
…101011101000011001
31220212121220011102110
4102231321223220121
5312124421322343
613122130022533
71311014331144
oct225571535031
956777804373
1020097448473
118583538553
123a8a717a49
131b83936c5b
14d8921105b
157c95b9833
hex4ade6ba19

20097448473 has 16 divisors (see below), whose sum is σ = 27307129536. Its totient is φ = 13143124800.

The previous prime is 20097448391. The next prime is 20097448519. The reversal of 20097448473 is 37484479002.

It is not a de Polignac number, because 20097448473 - 216 = 20097382937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20097448073) 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 15 ways as a sum of consecutive naturals, for example, 1487398 + ... + 1500848.

It is an arithmetic number, because the mean of its divisors is an integer number (1706695596).

Almost surely, 220097448473 is an apocalyptic number.

It is an amenable number.

20097448473 is a deficient number, since it is larger than the sum of its proper divisors (7209681063).

20097448473 is a wasteful number, since it uses less digits than its factorization.

20097448473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22904.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 20097448473 in words is "twenty billion, ninety-seven million, four hundred forty-eight thousand, four hundred seventy-three".

Divisors: 1 3 53 159 9397 13451 28191 40353 498041 712903 1494123 2138709 126399047 379197141 6699149491 20097448473