Search a number
-
+
30221332233313 = 1317294715452057
BaseRepresentation
bin1101101111100011100111…
…10001011011110001100001
310222000010112121100011202211
412313301303301123301201
512430121242022431223
6144135253253042121
76236263533340234
oct667616361336141
9128003477304684
1030221332233313
1196a18821a4941
12348111b026341
1313b2b23148690
14766a1266541b
153761d5e24d0d
hex1b7c73c5bc61

30221332233313 has 16 divisors (see below), whose sum is σ = 35648817558480. Its totient is φ = 25350270253056.

The previous prime is 30221332233299. The next prime is 30221332233329. The reversal of 30221332233313 is 31333223312203.

It can be written as a sum of positive squares in 8 ways, for example, as 580145758929 + 29641186474384 = 761673^2 + 5444372^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221332233313 - 233 = 30212742298721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30221332233713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2357719620 + ... + 2357732437.

It is an arithmetic number, because the mean of its divisors is an integer number (2228051097405).

Almost surely, 230221332233313 is an apocalyptic number.

It is an amenable number.

30221332233313 is a deficient number, since it is larger than the sum of its proper divisors (5427485325167).

30221332233313 is a wasteful number, since it uses less digits than its factorization.

30221332233313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715452116.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 30221332233313 its reverse (31333223312203), we get a palindrome (61554555545516).

The spelling of 30221332233313 in words is "thirty trillion, two hundred twenty-one billion, three hundred thirty-two million, two hundred thirty-three thousand, three hundred thirteen".

Divisors: 1 13 17 29 221 377 493 6409 4715452057 61300876741 80162684969 136748109653 1042114904597 1777725425489 2324717864101 30221332233313