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38318049838 = 2109717464927
BaseRepresentation
bin100011101011111011…
…110000101000101110
310122220110011121122001
4203223323300220232
51111433410043323
625334132442514
72524362023005
oct435373605056
9118813147561
1038318049838
11152835a3a92
12751477943a
1337c8785893
141bd7063c3c
15ee3eeb3ad
hex8ebef0a2e

38318049838 has 8 divisors (see below), whose sum is σ = 57529472832. Its totient is φ = 19141558896.

The previous prime is 38318049829. The next prime is 38318049839. The reversal of 38318049838 is 83894081383.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38318049839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8730270 + ... + 8734657.

It is an arithmetic number, because the mean of its divisors is an integer number (7191184104).

Almost surely, 238318049838 is an apocalyptic number.

38318049838 is a deficient number, since it is larger than the sum of its proper divisors (19211422994).

38318049838 is a wasteful number, since it uses less digits than its factorization.

38318049838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17466026.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 38318049838 in words is "thirty-eight billion, three hundred eighteen million, forty-nine thousand, eight hundred thirty-eight".

Divisors: 1 2 1097 2194 17464927 34929854 19159024919 38318049838