Search a number
-
+
212323300230 = 23556957721557
BaseRepresentation
bin1100010110111101110…
…1000111001110000110
3202022001011202012101110
43011233131013032012
511434314231101410
6241312345105450
721224366163006
oct3055735071606
9668034665343
10212323300230
1182055a71048
1235196788286
131703944c0c2
14a3c2a1a006
1557ca2a7720
hex316f747386

212323300230 has 64 divisors (see below), whose sum is σ = 511379904960. Its totient is φ = 56419467264.

The previous prime is 212323300213. The next prime is 212323300243. The reversal of 212323300230 is 32003323212.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212323300197 and 212323300206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9838612 + ... + 9860168.

It is an arithmetic number, because the mean of its divisors is an integer number (7990311015).

Almost surely, 2212323300230 is an apocalyptic number.

212323300230 is an abundant number, since it is smaller than the sum of its proper divisors (299056604730).

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

212323300230 is a wasteful number, since it uses less digits than its factorization.

212323300230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22713.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 212323300230 its reverse (32003323212), we get a palindrome (244326623442).

The spelling of 212323300230 in words is "two hundred twelve billion, three hundred twenty-three million, three hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 569 577 1138 1154 1707 1731 2845 2885 3414 3462 5690 5770 8535 8655 17070 17310 21557 43114 64671 107785 129342 215570 323355 328313 646710 656626 984939 1641565 1969878 3283130 4924695 9849390 12265933 12438389 24531866 24876778 36797799 37315167 61329665 62191945 73595598 74630334 122659330 124383890 183988995 186575835 367977990 373151670 7077443341 14154886682 21232330023 35387216705 42464660046 70774433410 106161650115 212323300230