Search a number
-
+
2064355631 = 13241658907
BaseRepresentation
bin111101100001011…
…1001000100101111
312022212110010112222
41323002321010233
513211433340011
6540502145555
7102104506352
oct17302710457
95285403488
102064355631
1196a302a38
124974222bb
1326b8baa10
1415824c299
15c1375ddb
hex7b0b912f

2064355631 has 8 divisors (see below), whose sum is σ = 2232380304. Its totient is φ = 1897649280.

The previous prime is 2064355621. The next prime is 2064355793. The reversal of 2064355631 is 1365534602.

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 2064355631 - 218 = 2064093487 is a prime.

It is a super-2 number, since 2×20643556312 = 8523128342482816322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2064355591 and 2064355600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064355621) 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 7 ways as a sum of consecutive naturals, for example, 326321 + ... + 332586.

It is an arithmetic number, because the mean of its divisors is an integer number (279047538).

Almost surely, 22064355631 is an apocalyptic number.

2064355631 is a deficient number, since it is larger than the sum of its proper divisors (168024673).

2064355631 is a wasteful number, since it uses less digits than its factorization.

2064355631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659161.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2064355631 is about 45435.1805432751. The cubic root of 2064355631 is about 1273.2924738967.

The spelling of 2064355631 in words is "two billion, sixty-four million, three hundred fifty-five thousand, six hundred thirty-one".

Divisors: 1 13 241 3133 658907 8565791 158796587 2064355631