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38385840404 = 22171075275679
BaseRepresentation
bin100011101111111110…
…010111000100010100
310200002011201201210202
4203233332113010110
51112103233343104
625344553440032
72526144155102
oct435776270424
9120064651722
1038385840404
111530889604a
127533410018
13380982c842
141c0206cc72
15ee9e3c51e
hex8eff97114

38385840404 has 24 divisors (see below), whose sum is σ = 71791453440. Its totient is φ = 17895099776.

The previous prime is 38385840377. The next prime is 38385840413. The reversal of 38385840404 is 40404858383.

It is a congruent number.

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, 2630564 + ... + 2645115.

It is an arithmetic number, because the mean of its divisors is an integer number (2991310560).

Almost surely, 238385840404 is an apocalyptic number.

38385840404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38385840404 is a deficient number, since it is larger than the sum of its proper divisors (33405613036).

38385840404 is a wasteful number, since it uses less digits than its factorization.

38385840404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275807 (or 5275805 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 38385840404 in words is "thirty-eight billion, three hundred eighty-five million, eight hundred forty thousand, four hundred four".

Divisors: 1 2 4 17 34 68 107 214 428 1819 3638 7276 5275679 10551358 21102716 89686543 179373086 358746172 564497653 1128995306 2257990612 9596460101 19192920202 38385840404