Search a number
-
+
38045441411660 = 2252863166440993
BaseRepresentation
bin10001010011010001001010…
…00001010100101001001100
311222201002221020010001101002
420221220211001110221030
514441314031000133120
6212525500130235432
711004456335133254
oct1051504501245114
9158632836101332
1038045441411660
1111138a8791a461
124325565425b78
13182c892525077
149575a2b5c964
1545e9b12c1375
hex229a25054a4c

38045441411660 has 24 divisors (see below), whose sum is σ = 79898218688736. Its totient is φ = 15217644807680.

The previous prime is 38045441411641. The next prime is 38045441411669. The reversal of 38045441411660 is 6611414454083.

It is a super-2 number, since 2×380454414116602 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38045441411669) by changing a digit.

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, 32647877 + ... + 33793116.

It is an arithmetic number, because the mean of its divisors is an integer number (3329092445364).

Almost surely, 238045441411660 is an apocalyptic number.

It is an amenable number.

38045441411660 is an abundant number, since it is smaller than the sum of its proper divisors (41852777277076).

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

38045441411660 is a wasteful number, since it uses less digits than its factorization.

38045441411660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66469633 (or 66469631 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 38045441411660 in words is "thirty-eight trillion, forty-five billion, four hundred forty-one million, four hundred eleven thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 28631 57262 114524 143155 286310 572620 66440993 132881986 265763972 332204965 664409930 1328819860 1902272070583 3804544141166 7609088282332 9511360352915 19022720705830 38045441411660