Search a number
-
+
199043207529 = 3194381208979
BaseRepresentation
bin1011100101011111100…
…1100101000101101001
3201000202122220120222020
42321113321211011221
511230120030120104
6231234510415053
720244322230405
oct2712771450551
9630678816866
10199043207529
1177460779921
12326ab201489
1315a0102c79a
1498c2dc0105
15529e47a2d9
hex2e57e65169

199043207529 has 16 divisors (see below), whose sum is σ = 285855609600. Its totient is φ = 122787974736.

The previous prime is 199043207471. The next prime is 199043207563. The reversal of 199043207529 is 925702340991.

It is not a de Polignac number, because 199043207529 - 27 = 199043207401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199043207579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40602039 + ... + 40606940.

It is an arithmetic number, because the mean of its divisors is an integer number (17865975600).

Almost surely, 2199043207529 is an apocalyptic number.

199043207529 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

199043207529 is a deficient number, since it is larger than the sum of its proper divisors (86812402071).

199043207529 is a wasteful number, since it uses less digits than its factorization.

199043207529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81209044.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 199043207529 in words is "one hundred ninety-nine billion, forty-three million, two hundred seven thousand, five hundred twenty-nine".

Divisors: 1 3 19 43 57 129 817 2451 81208979 243626937 1542970601 3491986097 4628911803 10475958291 66347735843 199043207529