Search a number
-
+
11025440641 = 229190725247
BaseRepresentation
bin10100100010010101…
…01101111110000001
31001110101022102020101
422101022231332001
5140040003100031
65022013242401
7540135461545
oct122112557601
931411272211
1011025440641
114748634816
122178493401
131069294297
14768413a25
15447e17361
hex2912adf81

11025440641 has 8 divisors (see below), whose sum is σ = 11079832320. Its totient is φ = 10971103728.

The previous prime is 11025440567. The next prime is 11025440651. The reversal of 11025440641 is 14604452011.

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 11025440641 - 27 = 11025440513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11025440651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424080 + ... + 449326.

It is an arithmetic number, because the mean of its divisors is an integer number (1384979040).

Almost surely, 211025440641 is an apocalyptic number.

It is an amenable number.

11025440641 is a deficient number, since it is larger than the sum of its proper divisors (54391679).

11025440641 is a wasteful number, since it uses less digits than its factorization.

11025440641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27383.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 11025440641 its reverse (14604452011), we get a palindrome (25629892652).

The spelling of 11025440641 in words is "eleven billion, twenty-five million, four hundred forty thousand, six hundred forty-one".

Divisors: 1 229 1907 25247 436703 5781563 48146029 11025440641