Search a number
-
+
231304302210 = 23533797228131
BaseRepresentation
bin1101011101101011001…
…1111000111010000010
3211010000222212000010210
43113122303320322002
512242202400132320
6254132033534550
722465636062132
oct3273263707202
9733028760123
10231304302210
118a106280843
12389b3414456
1318a72997517
14b2a384aac2
15603b83d0e0
hex35dacf8e82

231304302210 has 32 divisors (see below), whose sum is σ = 555149184192. Its totient is φ = 61679051840.

The previous prime is 231304302181. The next prime is 231304302233. The reversal of 231304302210 is 12203403132.

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, 899845 + ... + 1127975.

It is an arithmetic number, because the mean of its divisors is an integer number (17348412006).

Almost surely, 2231304302210 is an apocalyptic number.

231304302210 is an abundant number, since it is smaller than the sum of its proper divisors (323844881982).

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

231304302210 is a wasteful number, since it uses less digits than its factorization.

231304302210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261938.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231304302210 its reverse (12203403132), we get a palindrome (243507705342).

The spelling of 231304302210 in words is "two hundred thirty-one billion, three hundred four million, three hundred two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 33797 67594 101391 168985 202782 228131 337970 456262 506955 684393 1013910 1140655 1368786 2281310 3421965 6843930 7710143407 15420286814 23130430221 38550717035 46260860442 77101434070 115652151105 231304302210