Search a number
-
+
38853884623 = 173867223469
BaseRepresentation
bin100100001011110111…
…110011101011001111
310201021210102211202211
4210023313303223033
51114033043301443
625503233331251
72543556366361
oct441367635317
9121253384684
1038853884623
1115529006654
127644106b27
1338827a6698
141c482a6d31
15102609219d
hex90bdf3acf

38853884623 has 4 divisors (see below), whose sum is σ = 38854281960. Its totient is φ = 38853487288.

The previous prime is 38853884621. The next prime is 38853884687. The reversal of 38853884623 is 32648835883.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38853884623 - 21 = 38853884621 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38853884621) 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, 62133 + ... + 285601.

It is an arithmetic number, because the mean of its divisors is an integer number (9713570490).

Almost surely, 238853884623 is an apocalyptic number.

38853884623 is a deficient number, since it is larger than the sum of its proper divisors (397337).

38853884623 is a wasteful number, since it uses less digits than its factorization.

38853884623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397336.

The product of its digits is 26542080, while the sum is 58.

The spelling of 38853884623 in words is "thirty-eight billion, eight hundred fifty-three million, eight hundred eighty-four thousand, six hundred twenty-three".

Divisors: 1 173867 223469 38853884623