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30303013000313 = 171782530176489
BaseRepresentation
bin1101110001111011110000…
…10100110101010001111001
310222021221101002010001122102
412320331320110311101321
512432441032312002223
6144241002331233145
76245214624401204
oct670757024652171
9128257332101572
1030303013000313
119723487928059
123494b158a87b5
1313ba73c554781
1476a96071a93b
153783b6c48928
hex1b8f78535479

30303013000313 has 4 divisors (see below), whose sum is σ = 32085543176820. Its totient is φ = 28520482823808.

The previous prime is 30303013000237. The next prime is 30303013000321. The reversal of 30303013000313 is 31300031030303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11169151152784 + 19133861847529 = 3342028^2 + 4374227^2 .

It is not a de Polignac number, because 30303013000313 - 230 = 30301939258489 is a prime.

It is a super-2 number, since 2×303030130003132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30303013000333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891265088228 + ... + 891265088261.

It is an arithmetic number, because the mean of its divisors is an integer number (8021385794205).

Almost surely, 230303013000313 is an apocalyptic number.

It is an amenable number.

30303013000313 is a deficient number, since it is larger than the sum of its proper divisors (1782530176507).

30303013000313 is a wasteful number, since it uses less digits than its factorization.

30303013000313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782530176506.

The product of its (nonzero) digits is 729, while the sum is 20.

Adding to 30303013000313 its reverse (31300031030303), we get a palindrome (61603044030616).

The spelling of 30303013000313 in words is "thirty trillion, three hundred three billion, thirteen million, three hundred thirteen", and thus it is an aban number.

Divisors: 1 17 1782530176489 30303013000313