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19011000201 = 331532611193
BaseRepresentation
bin10001101101001001…
…001101011110001001
31211001220112212120120
4101231021031132021
5302413304001301
612422235413453
71242052556364
oct215511153611
954056485516
1019011000201
118076239916
1238268b4289
131a3c81c65b
14cc4bdd0db
1576400de36
hex46d24d789

19011000201 has 48 divisors (see below), whose sum is σ = 27128596992. Its totient is φ = 11826547200.

The previous prime is 19011000179. The next prime is 19011000223. The reversal of 19011000201 is 10200011091.

It is an interprime number because it is at equal distance from previous prime (19011000179) and next prime (19011000223).

It is not a de Polignac number, because 19011000201 - 210 = 19010999177 is a prime.

It is a super-2 number, since 2×190110002012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19011000251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15934861 + ... + 15936053.

It is an arithmetic number, because the mean of its divisors is an integer number (565179104).

Almost surely, 219011000201 is an apocalyptic number.

It is an amenable number.

19011000201 is a deficient number, since it is larger than the sum of its proper divisors (8117596791).

19011000201 is a wasteful number, since it uses less digits than its factorization.

19011000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 19011000201 its reverse (10200011091), we get a palindrome (29211011292).

The spelling of 19011000201 in words is "nineteen billion, eleven million, two hundred one", and thus it is an aban number.

Divisors: 1 3 31 53 61 93 159 183 1193 1643 1891 2809 3233 3579 4929 5673 8427 9699 36983 63229 72773 87079 100223 110949 171349 189687 218319 261237 300669 514047 1960099 2255963 3351137 3856969 5311819 5880297 6767889 10053411 11570907 15935457 103885247 119566039 204419357 311655741 358698117 613258071 6337000067 19011000201