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19013107 is a prime number
BaseRepresentation
bin100100010000…
…1110111110011
31022202222002011
41020201313303
514331404412
61515303351
7320415541
oct110416763
938688064
1019013107
11a806913
12644ab57
133c29179
14274cd91
151a087a7
hex1221df3

19013107 has 2 divisors, whose sum is σ = 19013108. Its totient is φ = 19013106.

The previous prime is 19013101. The next prime is 19013119. The reversal of 19013107 is 70131091.

It is a weak prime.

It is an emirp because it is prime and its reverse (70131091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19013107 - 219 = 18488819 is a prime.

It is a super-2 number, since 2×190131072 = 722996475586898, which contains 22 as substring.

It is a Chen prime.

It is equal to p1211818 and since 19013107 and 1211818 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (19013101) 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, 9506553 + 9506554.

It is an arithmetic number, because the mean of its divisors is an integer number (9506554).

Almost surely, 219013107 is an apocalyptic number.

19013107 is a deficient number, since it is larger than the sum of its proper divisors (1).

19013107 is an equidigital number, since it uses as much as digits as its factorization.

19013107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 19013107 is about 4360.4021603517. The cubic root of 19013107 is about 266.9015099619.

Adding to 19013107 its reverse (70131091), we get a palindrome (89144198).

The spelling of 19013107 in words is "nineteen million, thirteen thousand, one hundred seven".