Search a number
-
+
38426821874751 = 379162138488923
BaseRepresentation
bin10001011110010111100010…
…00100010101010000111111
312001001120100021201221110210
420233023301010111100333
520014041112344443001
6213421012133203503
711044150316443152
oct1057136104252077
9161046307657423
1038426821874751
11112757a6188122
124387460a90593
13185983148683b
1496bc22103c99
15469883234dd6
hex22f2f111543f

38426821874751 has 8 divisors (see below), whose sum is σ = 51884316455680. Its totient is φ = 25293604271832.

The previous prime is 38426821874729. The next prime is 38426821874813. The reversal of 38426821874751 is 15747812862483.

38426821874751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-38426821874751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38426821874951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81069244225 + ... + 81069244698.

It is an arithmetic number, because the mean of its divisors is an integer number (6485539556960).

Almost surely, 238426821874751 is an apocalyptic number.

38426821874751 is a deficient number, since it is larger than the sum of its proper divisors (13457494580929).

38426821874751 is a wasteful number, since it uses less digits than its factorization.

38426821874751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162138489005.

The product of its digits is 144506880, while the sum is 66.

The spelling of 38426821874751 in words is "thirty-eight trillion, four hundred twenty-six billion, eight hundred twenty-one million, eight hundred seventy-four thousand, seven hundred fifty-one".

Divisors: 1 3 79 237 162138488923 486415466769 12808940624917 38426821874751