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139763000389 is a prime number
BaseRepresentation
bin1000001000101010000…
…1100010010001000101
3111100202022202001101211
42002022201202101011
54242213312003024
6144112314051421
713045312621225
oct2021241422105
9440668661354
10139763000389
115430062a8a1
1223106419b71
1310244751a3c
146a9bd78085
153980009594
hex208a862445

139763000389 has 2 divisors, whose sum is σ = 139763000390. Its totient is φ = 139763000388.

The previous prime is 139763000357. The next prime is 139763000401. The reversal of 139763000389 is 983000367931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92775068100 + 46987932289 = 304590^2 + 216767^2 .

It is an emirp because it is prime and its reverse (983000367931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139763000389 - 25 = 139763000357 is a prime.

It is a super-2 number, since 2×1397630003892 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139763000309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69881500194 + 69881500195.

It is an arithmetic number, because the mean of its divisors is an integer number (69881500195).

Almost surely, 2139763000389 is an apocalyptic number.

It is an amenable number.

139763000389 is a deficient number, since it is larger than the sum of its proper divisors (1).

139763000389 is an equidigital number, since it uses as much as digits as its factorization.

139763000389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 139763000389 in words is "one hundred thirty-nine billion, seven hundred sixty-three million, three hundred eighty-nine", and thus it is an aban number.