Search a number
-
+
2122314645 = 351119167343
BaseRepresentation
bin111111001111111…
…1111001110010101
312110220111202101010
41332133333032111
513321303032040
6550332322433
7103410243153
oct17637771625
95426452333
102122314645
11999a9a450
124b2913419
1327a9019a9
14161c183d3
15c64c3e80
hex7e7ff395

2122314645 has 32 divisors (see below), whose sum is σ = 3723853824. Its totient is φ = 1023598400.

The previous prime is 2122314643. The next prime is 2122314671. The reversal of 2122314645 is 5464132212.

It is not a de Polignac number, because 2122314645 - 21 = 2122314643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122314641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2157 + ... + 65186.

It is an arithmetic number, because the mean of its divisors is an integer number (116370432).

Almost surely, 22122314645 is an apocalyptic number.

It is an amenable number.

2122314645 is a deficient number, since it is larger than the sum of its proper divisors (1601539179).

2122314645 is a wasteful number, since it uses less digits than its factorization.

2122314645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67553.

The product of its digits is 11520, while the sum is 30.

The square root of 2122314645 is about 46068.5863143205. The cubic root of 2122314645 is about 1285.0990138040.

Adding to 2122314645 its reverse (5464132212), we get a palindrome (7586446857).

The spelling of 2122314645 in words is "two billion, one hundred twenty-two million, three hundred fourteen thousand, six hundred forty-five".

Divisors: 1 3 5 11 15 33 55 165 191 573 955 2101 2865 6303 10505 31515 67343 202029 336715 740773 1010145 2222319 3703865 11111595 12862513 38587539 64312565 141487643 192937695 424462929 707438215 2122314645