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38684638608707 = 713425105918777
BaseRepresentation
bin10001100101110111110000…
…01001000111110101000011
312001222012210222102000202002
420302323320021013311003
520032302114440434312
6214135251100414215
711101605256512560
oct1062737011076503
9161865728360662
1038684638608707
1111365076a96283
12440941324736b
131877c3ab101a0
1497a4bcb15867
154714223e84c2
hex232ef8247d43

38684638608707 has 8 divisors (see below), whose sum is σ = 47611862903136. Its totient is φ = 30607626151872.

The previous prime is 38684638608701. The next prime is 38684638608719. The reversal of 38684638608707 is 70780683648683.

It is a happy number.

38684638608707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38684638608707 - 210 = 38684638607683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38684638608701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212552959298 + ... + 212552959479.

It is an arithmetic number, because the mean of its divisors is an integer number (5951482862892).

Almost surely, 238684638608707 is an apocalyptic number.

38684638608707 is a deficient number, since it is larger than the sum of its proper divisors (8927224294429).

38684638608707 is a wasteful number, since it uses less digits than its factorization.

38684638608707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425105918797.

The product of its (nonzero) digits is 1560674304, while the sum is 74.

The spelling of 38684638608707 in words is "thirty-eight trillion, six hundred eighty-four billion, six hundred thirty-eight million, six hundred eight thousand, seven hundred seven".

Divisors: 1 7 13 91 425105918777 2975741431439 5526376944101 38684638608707