Search a number
-
+
389248454344738 = 22683129415605423
BaseRepresentation
bin101100010000001001111011…
…1110110011100000000100010
31220001012210022001021212112111
41120200103313312130000202
5402004421313303012423
63455510134334145534
7144663162364510132
oct13040236766340042
91801183261255474
10389248454344738
1110303238487829a
12377a6b5b9522aa
1313926c82bc9991
146c19a234d8ac2
1530003a3c2660d
hex16204f7d9c022

389248454344738 has 16 divisors (see below), whose sum is σ = 584135539929216. Its totient is φ = 194536618943760.

The previous prime is 389248454344723. The next prime is 389248454344769. The reversal of 389248454344738 is 837443454842983.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66638695 + ... + 72244117.

It is an arithmetic number, because the mean of its divisors is an integer number (36508471245576).

Almost surely, 2389248454344738 is an apocalyptic number.

389248454344738 is a deficient number, since it is larger than the sum of its proper divisors (194887085584478).

389248454344738 is a wasteful number, since it uses less digits than its factorization.

389248454344738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621049.

The product of its digits is 8918138880, while the sum is 76.

The spelling of 389248454344738 in words is "three hundred eighty-nine trillion, two hundred forty-eight billion, four hundred fifty-four million, three hundred forty-four thousand, seven hundred thirty-eight".

Divisors: 1 2 2683 5366 12941 25882 5605423 11210846 34720703 69441406 15039349909 30078699818 72539779043 145079558086 194624227172369 389248454344738