Search a number
-
+
210422220405 = 3517338094719
BaseRepresentation
bin1100001111111000100…
…1000100011001110101
3202010010200112100010120
43003332021010121311
511421421042023110
6240355554242153
721126313235145
oct3037611043165
9663120470116
10210422220405
118126a9486a1
1234945b86359
1316ac562abb7
14a282350925
155718434870
hex30fe244675

210422220405 has 16 divisors (see below), whose sum is σ = 336869867520. Its totient is φ = 112160412608.

The previous prime is 210422220397. The next prime is 210422220409. The reversal of 210422220405 is 504022224012.

210422220405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 210422220405 - 23 = 210422220397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210422220409) 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 15 ways as a sum of consecutive naturals, for example, 4021365 + ... + 4073354.

It is an arithmetic number, because the mean of its divisors is an integer number (21054366720).

Almost surely, 2210422220405 is an apocalyptic number.

It is an amenable number.

210422220405 is a deficient number, since it is larger than the sum of its proper divisors (126447647115).

210422220405 is a wasteful number, since it uses less digits than its factorization.

210422220405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8096460.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 210422220405 its reverse (504022224012), we get a palindrome (714444444417).

The spelling of 210422220405 in words is "two hundred ten billion, four hundred twenty-two million, two hundred twenty thousand, four hundred five".

Divisors: 1 3 5 15 1733 5199 8665 25995 8094719 24284157 40473595 121420785 14028148027 42084444081 70140740135 210422220405