Search a number
-
+
18830736446 = 227733990499
BaseRepresentation
bin10001100010011001…
…100011110000111110
31210121100100112012012
4101202121203300332
5302031132031241
612352320011222
71234433422154
oct214231436076
953540315165
1018830736446
117a93507005
123796460b12
131a11385702
14ca8cb73d4
157532a26eb
hex462663c3e

18830736446 has 8 divisors (see below), whose sum is σ = 28348077000. Its totient is φ = 9381377448.

The previous prime is 18830736427. The next prime is 18830736461. The reversal of 18830736446 is 64463703881.

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

It is a junction number, because it is equal to n+sod(n) for n = 18830736394 and 18830736403.

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 3 ways as a sum of consecutive naturals, for example, 16994696 + ... + 16995803.

It is an arithmetic number, because the mean of its divisors is an integer number (3543509625).

Almost surely, 218830736446 is an apocalyptic number.

18830736446 is a deficient number, since it is larger than the sum of its proper divisors (9517340554).

18830736446 is a wasteful number, since it uses less digits than its factorization.

18830736446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33990778.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 18830736446 in words is "eighteen billion, eight hundred thirty million, seven hundred thirty-six thousand, four hundred forty-six".

Divisors: 1 2 277 554 33990499 67980998 9415368223 18830736446