Search a number
-
+
38240667448247 = 1142131033266089
BaseRepresentation
bin10001011000111100110010…
…11001100011001110110111
312000101202211212100021012202
420230132121121203032313
520003013341331320442
6213155304201535115
711024540250100505
oct1054363131431667
9160352755307182
1038240667448247
111120385992a250
12435736a1a449b
131845105787904
14962c02bbb675
15464ada58cc32
hex22c7996633b7

38240667448247 has 16 divisors (see below), whose sum is σ = 41817686871840. Its totient is φ = 34680419827200.

The previous prime is 38240667448211. The next prime is 38240667448253. The reversal of 38240667448247 is 74284476604283.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38240667448247 - 216 = 38240667382711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38240667448267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143580779 + ... + 143846867.

It is an arithmetic number, because the mean of its divisors is an integer number (2613605429490).

Almost surely, 238240667448247 is an apocalyptic number.

38240667448247 is a deficient number, since it is larger than the sum of its proper divisors (3577019423593).

38240667448247 is a wasteful number, since it uses less digits than its factorization.

38240667448247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297554.

The product of its (nonzero) digits is 346816512, while the sum is 65.

The spelling of 38240667448247 in words is "thirty-eight trillion, two hundred forty billion, six hundred sixty-seven million, four hundred forty-eight thousand, two hundred forty-seven".

Divisors: 1 11 421 4631 31033 266089 341363 2926979 13064893 112023469 143713823 1232258159 8257539937 90832939307 3476424313477 38240667448247