Search a number
-
+
2121152246 = 231432393329
BaseRepresentation
bin111111001101110…
…0011011011110110
312110211022200212022
41332123203123312
513321003332441
6550251353142
7103364332223
oct17633433366
95424280768
102121152246
11999376094
124b24527b2
1327a5b5895
141619d494a
15c634484b
hex7e6e36f6

2121152246 has 32 divisors (see below), whose sum is σ = 3375820800. Its totient is φ = 998000640.

The previous prime is 2121152239. The next prime is 2121152281. The reversal of 2121152246 is 6422511212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635510 + ... + 638838.

It is an arithmetic number, because the mean of its divisors is an integer number (105494400).

Almost surely, 22121152246 is an apocalyptic number.

2121152246 is a deficient number, since it is larger than the sum of its proper divisors (1254668554).

2121152246 is a wasteful number, since it uses less digits than its factorization.

2121152246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644.

The product of its digits is 1920, while the sum is 26.

The square root of 2121152246 is about 46055.9686251413. The cubic root of 2121152246 is about 1284.8643532469.

Adding to 2121152246 its reverse (6422511212), we get a palindrome (8543663458).

The spelling of 2121152246 in words is "two billion, one hundred twenty-one million, one hundred fifty-two thousand, two hundred forty-six".

Divisors: 1 2 31 43 62 86 239 478 1333 2666 3329 6658 7409 10277 14818 20554 103199 143147 206398 286294 318587 637174 795631 1591262 4437557 8875114 24664561 34212133 49329122 68424266 1060576123 2121152246