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38690535851 = 1110732872163
BaseRepresentation
bin100100000010001000…
…101011100110101011
310200212102001212101022
4210002020223212223
51113214234121401
625435120243055
72536534062032
oct440210534653
9120772055338
1038690535851
1115454887270
1275b947048b
1338579b28c6
141c30705719
151016a7771b
hex90222b9ab

38690535851 has 8 divisors (see below), whose sum is σ = 42602324544. Its totient is φ = 34844491720.

The previous prime is 38690535847. The next prime is 38690535857. The reversal of 38690535851 is 15853509683.

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 38690535851 - 22 = 38690535847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38690535793 and 38690535802.

It is not an unprimeable number, because it can be changed into a prime (38690535857) 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, 16434905 + ... + 16437258.

It is an arithmetic number, because the mean of its divisors is an integer number (5325290568).

Almost surely, 238690535851 is an apocalyptic number.

38690535851 is a deficient number, since it is larger than the sum of its proper divisors (3911788693).

38690535851 is a wasteful number, since it uses less digits than its factorization.

38690535851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32872281.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 38690535851 in words is "thirty-eight billion, six hundred ninety million, five hundred thirty-five thousand, eight hundred fifty-one".

Divisors: 1 11 107 1177 32872163 361593793 3517321441 38690535851