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39884368993 = 735316140983
BaseRepresentation
bin100101001001010010…
…110010110001100001
310210221121110212120121
4211021102302301201
51123140344301433
630153404240241
72611241354110
oct451122626141
9123847425517
1039884368993
1115a07760827
127891240081
1339b8128151
141d050abc77
151086795c2d
hex9494b2c61

39884368993 has 8 divisors (see below), whose sum is σ = 45711266688. Its totient is φ = 34089753984.

The previous prime is 39884368961. The next prime is 39884369011. The reversal of 39884368993 is 39986348893.

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 39884368993 - 25 = 39884368961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39884368193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8068021 + ... + 8072962.

It is an arithmetic number, because the mean of its divisors is an integer number (5713908336).

Almost surely, 239884368993 is an apocalyptic number.

It is an amenable number.

39884368993 is a deficient number, since it is larger than the sum of its proper divisors (5826897695).

39884368993 is a wasteful number, since it uses less digits than its factorization.

39884368993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16141343.

The product of its digits is 241864704, while the sum is 70.

The spelling of 39884368993 in words is "thirty-nine billion, eight hundred eighty-four million, three hundred sixty-eight thousand, nine hundred ninety-three".

Divisors: 1 7 353 2471 16140983 112986881 5697766999 39884368993