Search a number
-
+
312303223210 = 25114760406813
BaseRepresentation
bin1001000101101101011…
…10010000000110101010
31002212002221121112010211
410202312232100012222
520104044111120320
6355245313531334
731364110411636
oct4426656200652
91085087545124
10312303223210
111104a1033a70
1250639873b4a
13235b0a4c344
1411189131dc6
1581cc87855a
hex48b6b901aa

312303223210 has 32 divisors (see below), whose sum is σ = 626297847552. Its totient is φ = 111148534080.

The previous prime is 312303223157. The next prime is 312303223217. The reversal of 312303223210 is 12322303213.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (312303223217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30198237 + ... + 30208576.

It is an arithmetic number, because the mean of its divisors is an integer number (19571807736).

Almost surely, 2312303223210 is an apocalyptic number.

312303223210 is an abundant number, since it is smaller than the sum of its proper divisors (313994624342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312303223210 is a wasteful number, since it uses less digits than its factorization.

312303223210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60406878.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 312303223210 its reverse (12322303213), we get a palindrome (324625526423).

The spelling of 312303223210 in words is "three hundred twelve billion, three hundred three million, two hundred twenty-three thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 47 55 94 110 235 470 517 1034 2585 5170 60406813 120813626 302034065 604068130 664474943 1328949886 2839120211 3322374715 5678240422 6644749430 14195601055 28391202110 31230322321 62460644642 156151611605 312303223210