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230157385873 is a prime number
BaseRepresentation
bin1101011001011001110…
…0110000000010010001
3211000002001201121200221
43112112130300002101
512232330242321443
6253422143313041
722425341333542
oct3262634600221
9730061647627
10230157385873
11896779315a8
12387332ab781
131891c19abbc
14b1d53b84c9
155ec0cdaeed
hex3596730091

230157385873 has 2 divisors, whose sum is σ = 230157385874. Its totient is φ = 230157385872.

The previous prime is 230157385847. The next prime is 230157385883. The reversal of 230157385873 is 378583751032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228075015184 + 2082370689 = 477572^2 + 45633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230157385873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230157385873.

It is not a weakly prime, because it can be changed into another prime (230157385883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115078692936 + 115078692937.

It is an arithmetic number, because the mean of its divisors is an integer number (115078692937).

Almost surely, 2230157385873 is an apocalyptic number.

It is an amenable number.

230157385873 is a deficient number, since it is larger than the sum of its proper divisors (1).

230157385873 is an equidigital number, since it uses as much as digits as its factorization.

230157385873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 230157385873 in words is "two hundred thirty billion, one hundred fifty-seven million, three hundred eighty-five thousand, eight hundred seventy-three".