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30842130563 is a prime number
BaseRepresentation
bin11100101110010101…
…011001000010000011
32221121102220120022222
4130232111121002003
51001131041134223
622100233521255
72141203532666
oct345625310203
987542816288
1030842130563
1112097640202
125b88b7322b
132ba69a94ca
1416c821d6dd
15c07a240c8
hex72e559083

30842130563 has 2 divisors, whose sum is σ = 30842130564. Its totient is φ = 30842130562.

The previous prime is 30842130383. The next prime is 30842130607. The reversal of 30842130563 is 36503124803.

It is a strong prime.

It is an emirp because it is prime and its reverse (36503124803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30842130563 - 220 = 30841081987 is a prime.

It is not a weakly prime, because it can be changed into another prime (30842130763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15421065281 + 15421065282.

It is an arithmetic number, because the mean of its divisors is an integer number (15421065282).

Almost surely, 230842130563 is an apocalyptic number.

30842130563 is a deficient number, since it is larger than the sum of its proper divisors (1).

30842130563 is an equidigital number, since it uses as much as digits as its factorization.

30842130563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 30842130563 in words is "thirty billion, eight hundred forty-two million, one hundred thirty thousand, five hundred sixty-three".