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38802660849 = 331437135587
BaseRepresentation
bin100100001000110100…
…011001110111110001
310201011020001101222000
4210020310121313301
51113431440121344
625454203404213
72542365114051
oct441064316761
9121136041860
1038802660849
11155020aa457
12762ab23669
133874cb0264
141c41571561
151021824a69
hex908d19df1

38802660849 has 8 divisors (see below), whose sum is σ = 57485423520. Its totient is φ = 25868440548.

The previous prime is 38802660829. The next prime is 38802660851. The reversal of 38802660849 is 94806620883.

38802660849 is a `hidden beast` number, since 3 + 8 + 8 + 0 + 26 + 608 + 4 + 9 = 666.

It is not a de Polignac number, because 38802660849 - 28 = 38802660593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38802660795 and 38802660804.

It is not an unprimeable number, because it can be changed into a prime (38802660829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718567767 + ... + 718567820.

It is an arithmetic number, because the mean of its divisors is an integer number (7185677940).

Almost surely, 238802660849 is an apocalyptic number.

It is an amenable number.

38802660849 is a deficient number, since it is larger than the sum of its proper divisors (18682762671).

38802660849 is a wasteful number, since it uses less digits than its factorization.

38802660849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437135596 (or 1437135590 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 38802660849 in words is "thirty-eight billion, eight hundred two million, six hundred sixty thousand, eight hundred forty-nine".

Divisors: 1 3 9 27 1437135587 4311406761 12934220283 38802660849