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38674887905 = 573105958597
BaseRepresentation
bin100100000001001100…
…111111010011100001
310200211022121212102202
4210001030333103201
51113201232403110
625433401022545
72536254060143
oct440114772341
9120738555382
1038674887905
1115446a69785
1275b4184a55
133854694374
141c2c5d0c93
1510154d60a5
hex90133f4e1

38674887905 has 8 divisors (see below), whose sum is σ = 47045617512. Its totient is φ = 30516075648.

The previous prime is 38674887869. The next prime is 38674887931. The reversal of 38674887905 is 50978847683.

It can be written as a sum of positive squares in 4 ways, for example, as 13890529 + 38660997376 = 3727^2 + 196624^2 .

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 38674887905 - 28 = 38674887649 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, 52978934 + ... + 52979663.

It is an arithmetic number, because the mean of its divisors is an integer number (5880702189).

Almost surely, 238674887905 is an apocalyptic number.

It is an amenable number.

38674887905 is a deficient number, since it is larger than the sum of its proper divisors (8370729607).

38674887905 is a wasteful number, since it uses less digits than its factorization.

38674887905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105958675.

The product of its (nonzero) digits is 81285120, while the sum is 65.

The spelling of 38674887905 in words is "thirty-eight billion, six hundred seventy-four million, eight hundred eighty-seven thousand, nine hundred five".

Divisors: 1 5 73 365 105958597 529792985 7734977581 38674887905