Search a number
-
+
390624999968 = 2579343186649
BaseRepresentation
bin1011010111100110001…
…00000111101000100000
31101100021022212000122102
411223303010013220200
522344444444444333
6455241201225532
740136023500260
oct5536304075040
91340238760572
10390624999968
111407326a1095
12638576322a8
132aab3290948
1414c990537a0
15a263845ae8
hex5af3107a20

390624999968 has 48 divisors (see below), whose sum is σ = 879005030400. Its totient is φ = 167391899136.

The previous prime is 390624999959. The next prime is 390625000001. The reversal of 390624999968 is 869999426093.

It is a junction number, because it is equal to n+sod(n) for n = 390624999895 and 390624999904.

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 7 ways as a sum of consecutive naturals, for example, 1999508 + ... + 2186156.

It is an arithmetic number, because the mean of its divisors is an integer number (18312604800).

Almost surely, 2390624999968 is an apocalyptic number.

It is an amenable number.

390624999968 is an abundant number, since it is smaller than the sum of its proper divisors (488380030432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390624999968 is a wasteful number, since it uses less digits than its factorization.

390624999968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196009 (or 196001 counting only the distinct ones).

The product of its (nonzero) digits is 408146688, while the sum is 74.

The spelling of 390624999968 in words is "three hundred ninety billion, six hundred twenty-four million, nine hundred ninety-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 9343 18686 37372 65401 74744 130802 149488 186649 261604 298976 373298 523208 746596 1046416 1306543 1493192 2092832 2613086 2986384 5226172 5972768 10452344 20904688 41809376 1743861607 3487723214 6975446428 12207031249 13950892856 24414062498 27901785712 48828124996 55803571424 97656249992 195312499984 390624999968