Search a number
-
+
2210312123213 = 171147611132949
BaseRepresentation
bin100000001010100000110…
…111100111001101001101
321211022012110012200010212
4200022200313213031031
5242203204400420323
64411223043412205
7315455411025155
oct40124067471515
97738173180125
102210312123213
1178242a630867
122b8459084065
1313057c1248ac
1478da0341765
153c766915b78
hex202a0de734d

2210312123213 has 8 divisors (see below), whose sum is σ = 2340352942200. Its totient is φ = 2080273799680.

The previous prime is 2210312123177. The next prime is 2210312123233. The reversal of 2210312123213 is 3123212130122.

It can be written as a sum of positive squares in 4 ways, for example, as 64022662729 + 2146289460484 = 253027^2 + 1465022^2 .

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

It is not a de Polignac number, because 2210312123213 - 28 = 2210312122957 is a prime.

It is a super-4 number, since 4×22103121232134 (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210312123233) 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, 1384463 + ... + 2517411.

It is an arithmetic number, because the mean of its divisors is an integer number (292544117775).

Almost surely, 22210312123213 is an apocalyptic number.

It is an amenable number.

2210312123213 is a deficient number, since it is larger than the sum of its proper divisors (130040818987).

2210312123213 is a wasteful number, since it uses less digits than its factorization.

2210312123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247727.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2210312123213 its reverse (3123212130122), we get a palindrome (5333524253335).

The spelling of 2210312123213 in words is "two trillion, two hundred ten billion, three hundred twelve million, one hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 17 114761 1132949 1950937 19260133 130018360189 2210312123213