Search a number
-
+
243214214655473 = 19725710334650389
BaseRepresentation
bin110111010011001110111000…
…110111100110110111110001
31011220011001101210111100100122
4313103032320313212313301
5223334310202422433343
62221135022344500025
7102141434653224605
oct6723167067466761
91156131353440318
10243214214655473
117054a629656346
122334066447a615
13a593004600439
14440b8b8ca9505
151d1b85e859068
hexdd33b8de6df1

243214214655473 has 16 divisors (see below), whose sum is σ = 245637580533840. Its totient is φ = 240804680073216.

The previous prime is 243214214655439. The next prime is 243214214655541. The reversal of 243214214655473 is 374556412412342.

It can be written as a sum of positive squares in 8 ways, for example, as 221320874198449 + 21893340457024 = 14876857^2 + 4679032^2 .

It is a cyclic number.

It is not a de Polignac number, because 243214214655473 - 226 = 243214147546609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243214214255473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49974563 + ... + 54624951.

It is an arithmetic number, because the mean of its divisors is an integer number (15352348783365).

Almost surely, 2243214214655473 is an apocalyptic number.

It is an amenable number.

243214214655473 is a deficient number, since it is larger than the sum of its proper divisors (2423365878367).

243214214655473 is a wasteful number, since it uses less digits than its factorization.

243214214655473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651876.

The product of its digits is 19353600, while the sum is 53.

The spelling of 243214214655473 in words is "two hundred forty-three trillion, two hundred fourteen billion, two hundred fourteen million, six hundred fifty-five thousand, four hundred seventy-three".

Divisors: 1 197 257 1033 50629 203501 265481 4650389 52299757 916126633 1195149973 4803851837 235444544681 946358811889 1234589922109 243214214655473