Search a number
-
+
384434389696 = 2671994312123
BaseRepresentation
bin1011001100000100001…
…00110100001011000000
31100202021220010102211111
411212002010310023000
522244310200432241
6452335015053104
736526433252650
oct5460204641300
91322256112744
10384434389696
11139046210a55
126260a371194
132a337877746
141486cbc8360
15a00010ac81
hex59821342c0

384434389696 has 56 divisors (see below), whose sum is σ = 876223596800. Its totient is φ = 163929629952.

The previous prime is 384434389681. The next prime is 384434389697. The reversal of 384434389696 is 696983434483.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (384434389697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066910 + ... + 2245213.

Almost surely, 2384434389696 is an apocalyptic number.

It is an amenable number.

384434389696 is an abundant number, since it is smaller than the sum of its proper divisors (491789207104).

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

384434389696 is a wasteful number, since it uses less digits than its factorization.

384434389696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312341 (or 4312331 counting only the distinct ones).

The product of its digits is 322486272, while the sum is 67.

The spelling of 384434389696 in words is "three hundred eighty-four billion, four hundred thirty-four million, three hundred eighty-nine thousand, six hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 199 224 398 448 796 1393 1592 2786 3184 5572 6368 11144 12736 22288 44576 89152 4312123 8624246 17248492 30184861 34496984 60369722 68993968 120739444 137987936 241478888 275975872 482957776 858112477 965915552 1716224954 1931831104 3432449908 6006787339 6864899816 12013574678 13729799632 24027149356 27459599264 48054298712 54919198528 96108597424 192217194848 384434389696