Search a number
-
+
18223862245 = 541347256187
BaseRepresentation
bin10000111110001110…
…100001000111100101
31202001001102010021221
4100332032201013211
5244310302042440
612212200340341
71213414162501
oct207616410745
952031363257
1018223862245
117801993486
1236471746b1
131945720c54
14c4c461301
15719d77d4a
hex43e3a11e5

18223862245 has 16 divisors (see below), whose sum is σ = 22466662848. Its totient is φ = 14182456960.

The previous prime is 18223862227. The next prime is 18223862291. The reversal of 18223862245 is 54226832281.

It is a de Polignac number, because none of the positive numbers 2k-18223862245 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 56959 + ... + 199228.

It is an arithmetic number, because the mean of its divisors is an integer number (1404166428).

Almost surely, 218223862245 is an apocalyptic number.

It is an amenable number.

18223862245 is a deficient number, since it is larger than the sum of its proper divisors (4242800603).

18223862245 is a wasteful number, since it uses less digits than its factorization.

18223862245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256580.

The product of its digits is 368640, while the sum is 43.

The spelling of 18223862245 in words is "eighteen billion, two hundred twenty-three million, eight hundred sixty-two thousand, two hundred forty-five".

Divisors: 1 5 41 205 347 1735 14227 71135 256187 1280935 10503667 52518335 88896889 444484445 3644772449 18223862245