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30221223231211 = 79446385715243
BaseRepresentation
bin1101101111100011011010…
…10001100111111011101011
310222000010021000020021222221
412313301231101213323223
512430121031121344321
6144135234400454511
76236261041002655
oct667615521477353
9128003230207887
1030221223231211
1196a1826714a61
1234810aa61a437
1313b2b066a25ac
14766a01dad6d5
153761cb592e41
hex1b7c6d467eeb

30221223231211 has 8 divisors (see below), whose sum is σ = 30610627937280. Its totient is φ = 29831989964712.

The previous prime is 30221223231209. The next prime is 30221223231253. The reversal of 30221223231211 is 11213232212203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30221223231211 - 21 = 30221223231209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30221223231271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42505045 + ... + 43210198.

It is an arithmetic number, because the mean of its divisors is an integer number (3826328492160).

Almost surely, 230221223231211 is an apocalyptic number.

30221223231211 is a deficient number, since it is larger than the sum of its proper divisors (389404706069).

30221223231211 is an equidigital number, since it uses as much as digits as its factorization.

30221223231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85719785.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 30221223231211 its reverse (11213232212203), we get a palindrome (41434455443414).

The spelling of 30221223231211 in words is "thirty trillion, two hundred twenty-one billion, two hundred twenty-three million, two hundred thirty-one thousand, two hundred eleven".

Divisors: 1 79 4463 352577 85715243 6771504197 382547129509 30221223231211