Search a number
-
+
38818422822419 = 335428311572793
BaseRepresentation
bin10001101001110000111100…
…10011011001011000010011
312002110000010122000020200022
420310320132103121120103
520042000112220304134
6214320534240414055
711114352463540142
oct1064703623313023
9162400118006608
1038818422822419
1111406889764159
12442b32b31732b
13188773b9b2916
14982b70a03759
15474b525aa52e
hex234e1e4d9613

38818422822419 has 4 divisors (see below), whose sum is σ = 38818437749496. Its totient is φ = 38818407895344.

The previous prime is 38818422822371. The next prime is 38818422822479. The reversal of 38818422822419 is 91422822481883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38818422822419 is a prime.

It is a super-2 number, since 2×388184228224192 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38818422822479) 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, 2432114 + ... + 9140679.

It is an arithmetic number, because the mean of its divisors is an integer number (9704609437374).

Almost surely, 238818422822419 is an apocalyptic number.

38818422822419 is a deficient number, since it is larger than the sum of its proper divisors (14927077).

38818422822419 is a wasteful number, since it uses less digits than its factorization.

38818422822419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14927076.

The product of its digits is 28311552, while the sum is 62.

The spelling of 38818422822419 in words is "thirty-eight trillion, eight hundred eighteen billion, four hundred twenty-two million, eight hundred twenty-two thousand, four hundred nineteen".

Divisors: 1 3354283 11572793 38818422822419