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38230328687 = 743509910091
BaseRepresentation
bin100011100110101101…
…001000010101101111
310122200100002220211112
4203212231020111233
51111243431004222
625321320342235
72522245301135
oct434655102557
9118610086745
1038230328687
1115239029871
1274ab31497b
1337b3550c85
141bc954b755
15edb46ebe2
hex8e6b4856f

38230328687 has 8 divisors (see below), whose sum is σ = 38293084800. Its totient is φ = 38167604440.

The previous prime is 38230328651. The next prime is 38230328693. The reversal of 38230328687 is 78682303283.

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 38230328687 - 216 = 38230263151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38230348687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3783512 + ... + 3793602.

It is an arithmetic number, because the mean of its divisors is an integer number (4786635600).

Almost surely, 238230328687 is an apocalyptic number.

38230328687 is a deficient number, since it is larger than the sum of its proper divisors (62756113).

38230328687 is a wasteful number, since it uses less digits than its factorization.

38230328687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15933.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 38230328687 in words is "thirty-eight billion, two hundred thirty million, three hundred twenty-eight thousand, six hundred eighty-seven".

Divisors: 1 743 5099 10091 3788557 7497613 51454009 38230328687