Search a number
-
+
213031321232 = 2443411306707
BaseRepresentation
bin1100011001100110100…
…1111111111010010000
3202100212112000101121112
43012121221333322100
511442242004234412
6241510520312452
721251054232122
oct3063151777220
9670775011545
10213031321232
1182389699774
1235353912728
1317120039342
14a44ca81212
15581c511722
hex3199a7fe90

213031321232 has 20 divisors (see below), whose sum is σ = 412759038576. Its totient is φ = 106512859680.

The previous prime is 213031321177. The next prime is 213031321259. The reversal of 213031321232 is 232123130312.

It is a junction number, because it is equal to n+sod(n) for n = 213031321198 and 213031321207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541223 + ... + 847929.

Almost surely, 2213031321232 is an apocalyptic number.

It is an amenable number.

213031321232 is a deficient number, since it is larger than the sum of its proper divisors (199727717344).

213031321232 is a wasteful number, since it uses less digits than its factorization.

213031321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350126 (or 350120 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213031321232 its reverse (232123130312), we get a palindrome (445154451544).

The spelling of 213031321232 in words is "two hundred thirteen billion, thirty-one million, three hundred twenty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 43411 86822 173644 306707 347288 613414 694576 1226828 2453656 4907312 13314457577 26628915154 53257830308 106515660616 213031321232