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39230617969 = 719245922189
BaseRepresentation
bin100100100010010100…
…111011100101110001
310202021001022212202201
4210202110323211301
51120321014233334
630004452143201
72556112515334
oct444224734561
9122231285681
1039230617969
111570172aa24
12772a307b01
13391285ca1a
141c8233261b
1510491abc14
hex92253b971

39230617969 has 8 divisors (see below), whose sum is σ = 39302928000. Its totient is φ = 39158358672.

The previous prime is 39230617957. The next prime is 39230617991. The reversal of 39230617969 is 96971603293.

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 39230617969 - 27 = 39230617841 is a prime.

It is a super-2 number, since 2×392306179692 (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 (39230617169) 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, 1756927 + ... + 1779115.

It is an arithmetic number, because the mean of its divisors is an integer number (4912866000).

Almost surely, 239230617969 is an apocalyptic number.

It is an amenable number.

39230617969 is a deficient number, since it is larger than the sum of its proper divisors (72310031).

39230617969 is a wasteful number, since it uses less digits than its factorization.

39230617969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25367.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The spelling of 39230617969 in words is "thirty-nine billion, two hundred thirty million, six hundred seventeen thousand, nine hundred sixty-nine".

Divisors: 1 719 2459 22189 1768021 15953891 54562751 39230617969