Search a number
-
+
10000121202001 = 71428588743143
BaseRepresentation
bin1001000110000101010110…
…1011000000010101010001
31022102000001122021221201101
42101201111223000111101
52302320222011431001
633133554154504401
72051325216503020
oct221412553002521
938360048257641
1010000121202001
113206033796967
121156110435101
135770132b3598
1426801927c8b7
151251d58d4a01
hex91855ac0551

10000121202001 has 4 divisors (see below), whose sum is σ = 11428709945152. Its totient is φ = 8571532458852.

The previous prime is 10000121201969. The next prime is 10000121202007. The reversal of 10000121202001 is 10020212100001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10000121202001 - 25 = 10000121201969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000121202007) 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 3 ways as a sum of consecutive naturals, for example, 714294371565 + ... + 714294371578.

It is an arithmetic number, because the mean of its divisors is an integer number (2857177486288).

Almost surely, 210000121202001 is an apocalyptic number.

It is an amenable number.

10000121202001 is a deficient number, since it is larger than the sum of its proper divisors (1428588743151).

10000121202001 is an equidigital number, since it uses as much as digits as its factorization.

10000121202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428588743150.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10000121202001 its reverse (10020212100001), we get a palindrome (20020333302002).

The spelling of 10000121202001 in words is "ten trillion, one hundred twenty-one million, two hundred two thousand, one".

Divisors: 1 7 1428588743143 10000121202001