Search a number
-
+
20352215130415 = 57581491860869
BaseRepresentation
bin1001010000010100111101…
…00011011010000100101111
32200001122121212100222200221
410220022132203122010233
510131422314033133130
6111141402322432211
74200253602154210
oct450123643320457
980048555328627
1020352215130415
116537364950683
12234848b802667
13b48289a807cc
145050a3d89407
1525461b5e487a
hex12829e8da12f

20352215130415 has 8 divisors (see below), whose sum is σ = 27911609321760. Its totient is φ = 13955804660832.

The previous prime is 20352215130409. The next prime is 20352215130421. The reversal of 20352215130415 is 51403151225302.

It is an interprime number because it is at equal distance from previous prime (20352215130409) and next prime (20352215130421).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20352215130415 - 25 = 20352215130383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290745930400 + ... + 290745930469.

It is an arithmetic number, because the mean of its divisors is an integer number (3488951165220).

Almost surely, 220352215130415 is an apocalyptic number.

20352215130415 is a deficient number, since it is larger than the sum of its proper divisors (7559394191345).

20352215130415 is an equidigital number, since it uses as much as digits as its factorization.

20352215130415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581491860881.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 20352215130415 its reverse (51403151225302), we get a palindrome (71755366355717).

The spelling of 20352215130415 in words is "twenty trillion, three hundred fifty-two billion, two hundred fifteen million, one hundred thirty thousand, four hundred fifteen".

Divisors: 1 5 7 35 581491860869 2907459304345 4070443026083 20352215130415