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38755075769 = 591492344017
BaseRepresentation
bin100100000101111110…
…111000011010111001
310201000220111211111122
4210011332320122321
51113332244411034
625445343435025
72541246465044
oct440576703271
9121026454448
1038755075769
1115488259043
127616bb5a75
13386818c0c7
141c39105c5b
15101c57562e
hex905fb86b9

38755075769 has 8 divisors (see below), whose sum is σ = 39415477920. Its totient is φ = 38094791616.

The previous prime is 38755075759. The next prime is 38755075939. The reversal of 38755075769 is 96757055783.

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

It is a cyclic number.

It is not a de Polignac number, because 38755075769 - 24 = 38755075753 is a prime.

It is a super-2 number, since 2×387550757692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38755075759) 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, 858449 + ... + 902465.

It is an arithmetic number, because the mean of its divisors is an integer number (4926934740).

Almost surely, 238755075769 is an apocalyptic number.

It is an amenable number.

38755075769 is a deficient number, since it is larger than the sum of its proper divisors (660402151).

38755075769 is a wasteful number, since it uses less digits than its factorization.

38755075769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58999.

The product of its (nonzero) digits is 55566000, while the sum is 62.

The spelling of 38755075769 in words is "thirty-eight billion, seven hundred fifty-five million, seventy-five thousand, seven hundred sixty-nine".

Divisors: 1 59 14923 44017 880457 2597003 656865691 38755075769