Search a number
-
+
38413325380 = 2251920666269
BaseRepresentation
bin100011110001100111…
…001101010001000100
310200011002110010002211
4203301213031101010
51112132302403010
625351414513204
72526626610163
oct436147152104
9120132403084
1038413325380
1115322358a01
127540665804
133812433b41
141c059853da
15eec56b08a
hex8f19cd444

38413325380 has 12 divisors (see below), whose sum is σ = 80667983340. Its totient is φ = 15365330144.

The previous prime is 38413325359. The next prime is 38413325381. The reversal of 38413325380 is 8352331483.

It can be written as a sum of positive squares in 2 ways, for example, as 10553041984 + 27860283396 = 102728^2 + 166914^2 .

It is not an unprimeable number, because it can be changed into a prime (38413325381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960333115 + ... + 960333154.

It is an arithmetic number, because the mean of its divisors is an integer number (6722331945).

Almost surely, 238413325380 is an apocalyptic number.

It is an amenable number.

38413325380 is an abundant number, since it is smaller than the sum of its proper divisors (42254657960).

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

38413325380 is a wasteful number, since it uses less digits than its factorization.

38413325380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920666278 (or 1920666276 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 38413325380 in words is "thirty-eight billion, four hundred thirteen million, three hundred twenty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 1920666269 3841332538 7682665076 9603331345 19206662690 38413325380