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38039042249 = 1331389242647
BaseRepresentation
bin100011011011010011…
…011011100011001001
310122012000011120011122
4203123103123203021
51110400443322444
625250324405025
72514433344545
oct433323334311
9118160146148
1038039042249
11151500584aa
127457246775
133782a27b30
141babd96a25
15ec97874ee
hex8db4db8c9

38039042249 has 16 divisors (see below), whose sum is σ = 42395458560. Its totient is φ = 33892793280.

The previous prime is 38039042243. The next prime is 38039042267. The reversal of 38039042249 is 94224093083.

It is a cyclic number.

It is not a de Polignac number, because 38039042249 - 216 = 38038976713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38039042243) 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 15 ways as a sum of consecutive naturals, for example, 35444 + ... + 278090.

It is an arithmetic number, because the mean of its divisors is an integer number (2649716160).

Almost surely, 238039042249 is an apocalyptic number.

It is an amenable number.

38039042249 is a deficient number, since it is larger than the sum of its proper divisors (4356416311).

38039042249 is a wasteful number, since it uses less digits than its factorization.

38039042249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243080.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 38039042249 in words is "thirty-eight billion, thirty-nine million, forty-two thousand, two hundred forty-nine".

Divisors: 1 13 31 389 403 5057 12059 156767 242647 3154411 7522057 94389683 97786741 1227065879 2926080173 38039042249