Search a number
-
+
19868301319 = 174373267259
BaseRepresentation
bin10010100000001111…
…100011100000000111
31220021122201021121211
4102200033203200013
5311142241120234
613043302352251
71302232526506
oct224017434007
956248637554
1019868301319
118476157939
123a25a2b687
131b48315c19
14d66a0283d
157b4404164
hex4a03e3807

19868301319 has 8 divisors (see below), whose sum is σ = 21041914320. Its totient is φ = 18695231616.

The previous prime is 19868301293. The next prime is 19868301359. The reversal of 19868301319 is 91310386891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19868301319 - 27 = 19868301191 is a prime.

It is a super-2 number, since 2×198683013192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19868301359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59289 + ... + 207970.

It is an arithmetic number, because the mean of its divisors is an integer number (2630239290).

Almost surely, 219868301319 is an apocalyptic number.

19868301319 is a deficient number, since it is larger than the sum of its proper divisors (1173613001).

19868301319 is a wasteful number, since it uses less digits than its factorization.

19868301319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271649.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 19868301319 in words is "nineteen billion, eight hundred sixty-eight million, three hundred one thousand, three hundred nineteen".

Divisors: 1 17 4373 74341 267259 4543403 1168723607 19868301319