Search a number
-
+
1001284412165 = 5200256882433
BaseRepresentation
bin11101001001000010011…
…00111010001100000101
310112201111020021022201222
432210201030322030011
5112401112302142130
62043552251530125
7132224522034632
oct16444114721405
93481436238658
101001284412165
11356707a46854
12142080159945
137356140673b
1436668c6b189
151b0a43c7ce5
hexe92133a305

1001284412165 has 4 divisors (see below), whose sum is σ = 1201541294604. Its totient is φ = 801027529728.

The previous prime is 1001284412111. The next prime is 1001284412203. The reversal of 1001284412165 is 5612144821001.

It is a Cunningham number, because it is equal to 10006422+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 360463348996 + 640821063169 = 600386^2 + 800513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001284412165 - 28 = 1001284411909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 100128441212 + ... + 100128441221.

It is an arithmetic number, because the mean of its divisors is an integer number (300385323651).

Almost surely, 21001284412165 is an apocalyptic number.

It is an amenable number.

1001284412165 is a deficient number, since it is larger than the sum of its proper divisors (200256882439).

1001284412165 is an equidigital number, since it uses as much as digits as its factorization.

1001284412165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200256882438.

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 1001284412165 in words is "one trillion, one billion, two hundred eighty-four million, four hundred twelve thousand, one hundred sixty-five".

Divisors: 1 5 200256882433 1001284412165