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30850053389 is a prime number
BaseRepresentation
bin11100101110110011…
…100111010100001101
32221121222211002101222
4130232303213110031
51001140103202024
622101115413125
72141331061421
oct345663472415
987558732358
1030850053389
11120a10617a1
125b8b7541a5
132ba852177c
1416c92c2b81
15c0858b85e
hex72ece750d

30850053389 has 2 divisors, whose sum is σ = 30850053390. Its totient is φ = 30850053388.

The previous prime is 30850053379. The next prime is 30850053401. The reversal of 30850053389 is 98335005803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24346921225 + 6503132164 = 156035^2 + 80642^2 .

It is a cyclic number.

It is not a de Polignac number, because 30850053389 - 228 = 30581617933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30850053349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15425026694 + 15425026695.

It is an arithmetic number, because the mean of its divisors is an integer number (15425026695).

Almost surely, 230850053389 is an apocalyptic number.

It is an amenable number.

30850053389 is a deficient number, since it is larger than the sum of its proper divisors (1).

30850053389 is an equidigital number, since it uses as much as digits as its factorization.

30850053389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 30850053389 in words is "thirty billion, eight hundred fifty million, fifty-three thousand, three hundred eighty-nine".