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30570961189 is a prime number
BaseRepresentation
bin11100011110001010…
…111101100100100101
32220220112122201212211
4130132022331210211
51000102131224224
622013305443421
72131401611506
oct343612754445
986815581784
1030570961189
1111a6856868a
125b121a0571
132b62764362
1416a01d2bad
15bddd0c894
hex71e2bd925

30570961189 has 2 divisors, whose sum is σ = 30570961190. Its totient is φ = 30570961188.

The previous prime is 30570961181. The next prime is 30570961193. The reversal of 30570961189 is 98116907503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29066840100 + 1504121089 = 170490^2 + 38783^2 .

It is a cyclic number.

It is not a de Polignac number, because 30570961189 - 23 = 30570961181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30570961181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15285480594 + 15285480595.

It is an arithmetic number, because the mean of its divisors is an integer number (15285480595).

Almost surely, 230570961189 is an apocalyptic number.

It is an amenable number.

30570961189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30570961189 is an equidigital number, since it uses as much as digits as its factorization.

30570961189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 30570961189 in words is "thirty billion, five hundred seventy million, nine hundred sixty-one thousand, one hundred eighty-nine".