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213223221032 = 2386143309403
BaseRepresentation
bin1100011010010100011…
…0000010011100101000
3202101100220002220122112
43012211012002130220
511443140121033112
6241541533341452
721255604321553
oct3064506023450
9671326086575
10213223221032
1182477a49948
12353a8037888
1317150a18713
14a46a35569a
15582e2baa22
hex31a5182728

213223221032 has 16 divisors (see below), whose sum is σ = 399799472640. Its totient is φ = 106610028336.

The previous prime is 213223221023. The next prime is 213223221059. The reversal of 213223221032 is 230122322312.

It is a super-2 number, since 2×2132232210322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213223220989 and 213223221007.

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, 534443 + ... + 843845.

It is an arithmetic number, because the mean of its divisors is an integer number (24987467040).

Almost surely, 2213223221032 is an apocalyptic number.

It is an amenable number.

213223221032 is a deficient number, since it is larger than the sum of its proper divisors (186576251608).

213223221032 is a wasteful number, since it uses less digits than its factorization.

213223221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395552 (or 395548 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213223221032 its reverse (230122322312), we get a palindrome (443345543344).

The spelling of 213223221032 in words is "two hundred thirteen billion, two hundred twenty-three million, two hundred twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 86143 172286 309403 344572 618806 689144 1237612 2475224 26652902629 53305805258 106611610516 213223221032