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30420031233409 is a prime number
BaseRepresentation
bin1101110101010101101110…
…01001111101110110000001
310222201010102021120012220121
412322222313021331312001
512441400210443432114
6144410434110140241
76256526506100506
oct672526711756601
9128633367505817
1030420031233409
119769076645604
1234b3732ab1681
1313c879aa6c70c
147724a1a454ad
1537b46505ca24
hex1baab727dd81

30420031233409 has 2 divisors, whose sum is σ = 30420031233410. Its totient is φ = 30420031233408.

The previous prime is 30420031233377. The next prime is 30420031233419. The reversal of 30420031233409 is 90433213002403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21367996237809 + 9052034995600 = 4622553^2 + 3008660^2 .

It is a cyclic number.

It is not a de Polignac number, because 30420031233409 - 25 = 30420031233377 is a prime.

It is a super-2 number, since 2×304200312334092 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30420031233419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210015616704 + 15210015616705.

It is an arithmetic number, because the mean of its divisors is an integer number (15210015616705).

Almost surely, 230420031233409 is an apocalyptic number.

It is an amenable number.

30420031233409 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420031233409 is an equidigital number, since it uses as much as digits as its factorization.

30420031233409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 30420031233409 in words is "thirty trillion, four hundred twenty billion, thirty-one million, two hundred thirty-three thousand, four hundred nine".