Search a number
-
+
38666000138 = 2471273238901
BaseRepresentation
bin100100000000101011…
…000101011100001010
310200210200220022201012
4210000223011130022
51113141444001023
625432442323522
72536115402243
oct440053053412
9120720808635
1038666000138
1115441a49217
1275b11b95a2
1338528a1b2c
141c2b359cca
15101482c978
hex900ac570a

38666000138 has 16 divisors (see below), whose sum is σ = 59699441664. Its totient is φ = 18772664400.

The previous prime is 38666000129. The next prime is 38666000167. The reversal of 38666000138 is 83100066683.

It is a junction number, because it is equal to n+sod(n) for n = 38666000095 and 38666000104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607513 + ... + 1631388.

It is an arithmetic number, because the mean of its divisors is an integer number (3731215104).

Almost surely, 238666000138 is an apocalyptic number.

38666000138 is a deficient number, since it is larger than the sum of its proper divisors (21033441526).

38666000138 is a wasteful number, since it uses less digits than its factorization.

38666000138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239077.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 38666000138 in words is "thirty-eight billion, six hundred sixty-six million, one hundred thirty-eight", and thus it is an aban number.

Divisors: 1 2 47 94 127 254 5969 11938 3238901 6477802 152228347 304456694 411340427 822680854 19333000069 38666000138