Search a number
-
+
19180627201 is a prime number
BaseRepresentation
bin10001110111010000…
…010010010100000001
31211111201201211002001
4101313100102110001
5303240220032301
612451135224001
71246212432631
oct216720222401
954451654061
1019180627201
118152a6711a
123873678001
131a68a00c68
14cdd5566c1
15773d68c01
hex477412501

19180627201 has 2 divisors, whose sum is σ = 19180627202. Its totient is φ = 19180627200.

The previous prime is 19180627183. The next prime is 19180627217. The reversal of 19180627201 is 10272608191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18652730625 + 527896576 = 136575^2 + 22976^2 .

It is a cyclic number.

It is not a de Polignac number, because 19180627201 - 27 = 19180627073 is a prime.

It is a super-3 number, since 3×191806272013 (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (19180624201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9590313600 + 9590313601.

It is an arithmetic number, because the mean of its divisors is an integer number (9590313601).

Almost surely, 219180627201 is an apocalyptic number.

It is an amenable number.

19180627201 is a deficient number, since it is larger than the sum of its proper divisors (1).

19180627201 is an equidigital number, since it uses as much as digits as its factorization.

19180627201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 19180627201 in words is "nineteen billion, one hundred eighty million, six hundred twenty-seven thousand, two hundred one".