Search a number
-
+
30000017730061 is a prime number
BaseRepresentation
bin1101101001000111011000…
…11001100110101000001101
310221012222021211001112120001
412310203230121212220031
512413010014014330221
6143445452355124301
76214300256162311
oct664435431465015
9127188254045501
1030000017730061
119616a32a009a5
1234462552a3691
131397cb3009402
1475a019883b41
1537058162c391
hex1b48ec666a0d

30000017730061 has 2 divisors, whose sum is σ = 30000017730062. Its totient is φ = 30000017730060.

The previous prime is 30000017730013. The next prime is 30000017730091. The reversal of 30000017730061 is 16003771000003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29976172502500 + 23845227561 = 5475050^2 + 154419^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000017730061 - 243 = 21203924707853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30000017730091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000008865030 + 15000008865031.

It is an arithmetic number, because the mean of its divisors is an integer number (15000008865031).

Almost surely, 230000017730061 is an apocalyptic number.

It is an amenable number.

30000017730061 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000017730061 is an equidigital number, since it uses as much as digits as its factorization.

30000017730061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 28.

Adding to 30000017730061 its reverse (16003771000003), we get a palindrome (46003788730064).

The spelling of 30000017730061 in words is "thirty trillion, seventeen million, seven hundred thirty thousand, sixty-one".