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30013323002221 = 136137847822197
BaseRepresentation
bin1101101001100000001010…
…11101001100000101101101
310221021020122002021101200211
412310300011131030011231
512413214241142032341
6143455532533222421
76215251060135246
oct664600535140555
9127236562241624
1030013323002221
119621640430899
123448949191a11
131399323703810
1475a91c995ccd
15370aae780181
hex1b4c0574c16d

30013323002221 has 8 divisors (see below), whose sum is σ = 32851909667864. Its totient is φ = 27250431981120.

The previous prime is 30013323002191. The next prime is 30013323002263. The reversal of 30013323002221 is 12220032331003.

It can be written as a sum of positive squares in 4 ways, for example, as 1079531390025 + 28933791612196 = 1039005^2 + 5379014^2 .

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 30013323002221 - 25 = 30013323002189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30013323002192 and 30013323002201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013323002321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18923910306 + ... + 18923911891.

It is an arithmetic number, because the mean of its divisors is an integer number (4106488708483).

Almost surely, 230013323002221 is an apocalyptic number.

It is an amenable number.

30013323002221 is a deficient number, since it is larger than the sum of its proper divisors (2838586665643).

30013323002221 is a wasteful number, since it uses less digits than its factorization.

30013323002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37847822271.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30013323002221 its reverse (12220032331003), we get a palindrome (42233355333224).

The spelling of 30013323002221 in words is "thirty trillion, thirteen billion, three hundred twenty-three million, two thousand, two hundred twenty-one".

Divisors: 1 13 61 793 37847822197 492021688561 2308717154017 30013323002221