Search a number
-
+
212200434303401 = 233910731477697
BaseRepresentation
bin110000001111111011000011…
…100000100000000110101001
31000211100011102010012202010102
4300033323003200200012221
5210303142442140202101
62031151311142155145
762460655402646645
oct6017730340400651
91024304363182112
10212200434303401
1161682776123985
121b971a48122ab5
139153551c5cb9b
143a587ad257c25
15197ec4862186b
hexc0fec38201a9

212200434303401 has 4 divisors (see below), whose sum is σ = 213111165781332. Its totient is φ = 211289702825472.

The previous prime is 212200434303397. The next prime is 212200434303413. The reversal of 212200434303401 is 104303434002212.

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 103180189795225 + 109020244508176 = 10157765^2 + 10441276^2 .

It is a cyclic number.

It is not a de Polignac number, because 212200434303401 - 22 = 212200434303397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212200434303421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455365738616 + ... + 455365739081.

It is an arithmetic number, because the mean of its divisors is an integer number (53277791445333).

Almost surely, 2212200434303401 is an apocalyptic number.

It is an amenable number.

212200434303401 is a deficient number, since it is larger than the sum of its proper divisors (910731477931).

212200434303401 is an equidigital number, since it uses as much as digits as its factorization.

212200434303401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910731477930.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 212200434303401 its reverse (104303434002212), we get a palindrome (316503868305613).

The spelling of 212200434303401 in words is "two hundred twelve trillion, two hundred billion, four hundred thirty-four million, three hundred three thousand, four hundred one".

Divisors: 1 233 910731477697 212200434303401