Search a number
-
+
19120011202 = 210529907969
BaseRepresentation
bin10001110011101001…
…000011011111000010
31211100111200012120001
4101303221003133002
5303124210324302
612441132110214
71244545261615
oct216351033702
954314605501
1019120011202
118121825456
12385730536a
131a592997c6
14cd549817c
1576d893787
hex473a437c2

19120011202 has 8 divisors (see below), whose sum is σ = 28682772300. Its totient is φ = 9559087104.

The previous prime is 19120011193. The next prime is 19120011221. The reversal of 19120011202 is 20211002191.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18171309601 + 948701601 = 134801^2 + 30801^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 19120011202.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 432927 + ... + 475042.

Almost surely, 219120011202 is an apocalyptic number.

19120011202 is a deficient number, since it is larger than the sum of its proper divisors (9562761098).

19120011202 is a wasteful number, since it uses less digits than its factorization.

19120011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918500.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 19120011202 its reverse (20211002191), we get a palindrome (39331013393).

The spelling of 19120011202 in words is "nineteen billion, one hundred twenty million, eleven thousand, two hundred two".

Divisors: 1 2 10529 21058 907969 1815938 9560005601 19120011202