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38387505068867 = 71829652194313
BaseRepresentation
bin10001011101001110010011…
…00110100111101101000011
312000220210212020020021010002
420232213021212213231003
520012420102244200432
6213350550521430215
711041256106220013
oct1056471146475503
9160823766207102
1038387505068867
111126005a93aa19
12437b90993b36b
131855c06b0b066
14969d72577c43
15468831700e62
hex22e9c99a7b43

38387505068867 has 8 divisors (see below), whose sum is σ = 38975132204640. Its totient is φ = 37801182323520.

The previous prime is 38387505068863. The next prime is 38387505068873. The reversal of 38387505068867 is 76886050578383.

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 38387505068867 - 22 = 38387505068863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38387505068794 and 38387505068803.

It is not an unprimeable number, because it can be changed into a prime (38387505068863) 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, 326038298 + ... + 326156015.

It is an arithmetic number, because the mean of its divisors is an integer number (4871891525580).

Almost surely, 238387505068867 is an apocalyptic number.

38387505068867 is a deficient number, since it is larger than the sum of its proper divisors (587627135773).

38387505068867 is an equidigital number, since it uses as much as digits as its factorization.

38387505068867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652195213.

The product of its (nonzero) digits is 1625702400, while the sum is 74.

The spelling of 38387505068867 in words is "thirty-eight trillion, three hundred eighty-seven billion, five hundred five million, sixty-eight thousand, eight hundred sixty-seven".

Divisors: 1 71 829 58859 652194313 46305796223 540669085477 38387505068867