Search a number
-
+
212220002 = 22112831777
BaseRepresentation
bin11001010011000…
…11100001100010
3112210022220010002
430221203201202
5413312020002
633020340002
75154561131
oct1451434142
9483286102
10212220002
11a987a035
125b0a4602
1334c75487
1420283918
1513970002
hexca63862

212220002 has 16 divisors (see below), whose sum is σ = 321149472. Its totient is φ = 105174720.

The previous prime is 212219981. The next prime is 212220013. The reversal of 212220002 is 200022212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118538 + ... + 120314.

It is an arithmetic number, because the mean of its divisors is an integer number (20071842).

Almost surely, 2212220002 is an apocalyptic number.

212220002 is a deficient number, since it is larger than the sum of its proper divisors (108929470).

212220002 is a wasteful number, since it uses less digits than its factorization.

212220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 212220002 is about 14567.7727192595. The cubic root of 212220002 is about 596.4793843658.

Adding to 212220002 its reverse (200022212), we get a palindrome (412242214).

The spelling of 212220002 in words is "two hundred twelve million, two hundred twenty thousand, two".

Divisors: 1 2 211 283 422 566 1777 3554 59713 119426 374947 502891 749894 1005782 106110001 212220002