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38676172628305 = 515128175113133
BaseRepresentation
bin10001100101100111111111…
…00001111110000101010001
312001221101221222011122220101
420302303333201332011101
520032132300143101210
6214131331033212401
711101155420045142
oct1062637741760521
9161841858148811
1038676172628305
1111361522187963
12440784bb61101
1318771bbb96724
14979d185cdac9
154710c9054a3a
hex232cff87e151

38676172628305 has 8 divisors (see below), whose sum is σ = 46411446909672. Its totient is φ = 30940911598848.

The previous prime is 38676172628251. The next prime is 38676172628371. The reversal of 38676172628305 is 50382627167683.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6012284384016 + 32663888244289 = 2451996^2 + 5715233^2 .

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 38676172628305 - 29 = 38676172627793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5007519 + ... + 10120651.

It is an arithmetic number, because the mean of its divisors is an integer number (5801430863709).

Almost surely, 238676172628305 is an apocalyptic number.

It is an amenable number.

38676172628305 is a deficient number, since it is larger than the sum of its proper divisors (7735274281367).

38676172628305 is a wasteful number, since it uses less digits than its factorization.

38676172628305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625955.

The product of its (nonzero) digits is 121927680, while the sum is 64.

The spelling of 38676172628305 in words is "thirty-eight trillion, six hundred seventy-six billion, one hundred seventy-two million, six hundred twenty-eight thousand, three hundred five".

Divisors: 1 5 1512817 5113133 7564085 25565665 7735234525661 38676172628305