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38380685510577 = 312793561836859
BaseRepresentation
bin10001011101000001100110…
…01000000100011110110001
312000220011020222000210211010
420232200303020010132301
520012312120442314302
6213343502110541133
711040625111015614
oct1056406310043661
9160804228023733
1038380685510577
111125818042a933
12437a525b077a9
13185538b002077
149698c698c17b
15468582b7b16c
hex22e8332047b1

38380685510577 has 4 divisors (see below), whose sum is σ = 51174247347440. Its totient is φ = 25587123673716.

The previous prime is 38380685510551. The next prime is 38380685510581. The reversal of 38380685510577 is 77501558608383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 38380685510577 - 26 = 38380685510513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38380685560577) 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 3 ways as a sum of consecutive naturals, for example, 6396780918427 + ... + 6396780918432.

It is an arithmetic number, because the mean of its divisors is an integer number (12793561836860).

Almost surely, 238380685510577 is an apocalyptic number.

It is an amenable number.

38380685510577 is a deficient number, since it is larger than the sum of its proper divisors (12793561836863).

38380685510577 is a wasteful number, since it uses less digits than its factorization.

38380685510577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793561836862.

The product of its (nonzero) digits is 169344000, while the sum is 66.

The spelling of 38380685510577 in words is "thirty-eight trillion, three hundred eighty billion, six hundred eighty-five million, five hundred ten thousand, five hundred seventy-seven".

Divisors: 1 3 12793561836859 38380685510577