Search a number
-
+
1002022021205 = 5238713234967
BaseRepresentation
bin11101001010011010010…
…10101010100001010101
310112210101122012202010022
432211031022222201111
5112404120114134310
62044153401234525
7132252016435412
oct16451512524125
93483348182108
101002022021205
11356a563433a7
12142247192a45
137364b1832aa
14366d8bd5109
151b0e9028a55
hexe94d2aa855

1002022021205 has 8 divisors (see below), whose sum is σ = 1254705835392. Its totient is φ = 766764677008.

The previous prime is 1002022021199. The next prime is 1002022021207. The reversal of 1002022021205 is 5021202202001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1002022021205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002022021207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4356617369 + ... + 4356617598.

It is an arithmetic number, because the mean of its divisors is an integer number (156838229424).

Almost surely, 21002022021205 is an apocalyptic number.

It is an amenable number.

1002022021205 is a deficient number, since it is larger than the sum of its proper divisors (252683814187).

1002022021205 is an equidigital number, since it uses as much as digits as its factorization.

1002022021205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713234995.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 1002022021205 its reverse (5021202202001), we get a palindrome (6023224223206).

The spelling of 1002022021205 in words is "one trillion, two billion, twenty-two million, twenty-one thousand, two hundred five".

Divisors: 1 5 23 115 8713234967 43566174835 200404404241 1002022021205