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38381373777 = 320233632323
BaseRepresentation
bin100011101111101101…
…010100100101010001
310200001212022210202010
4203233231110211101
51112101112430102
625344314013133
72526061202625
oct435755244521
9120055283663
1038381373777
111530631521a
127531a171a9
133808927776
141c01629185
15ee9858d6c
hex8efb54951

38381373777 has 8 divisors (see below), whose sum is σ = 51177775264. Its totient is φ = 25586277408.

The previous prime is 38381373769. The next prime is 38381373847. The reversal of 38381373777 is 77737318383.

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

It is not a de Polignac number, because 38381373777 - 23 = 38381373769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38381374777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255463 + ... + 376860.

It is an arithmetic number, because the mean of its divisors is an integer number (6397221908).

Almost surely, 238381373777 is an apocalyptic number.

It is an amenable number.

38381373777 is a deficient number, since it is larger than the sum of its proper divisors (12796401487).

38381373777 is a wasteful number, since it uses less digits than its factorization.

38381373777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652559.

The product of its digits is 12446784, while the sum is 57.

The spelling of 38381373777 in words is "thirty-eight billion, three hundred eighty-one million, three hundred seventy-three thousand, seven hundred seventy-seven".

Divisors: 1 3 20233 60699 632323 1896969 12793791259 38381373777