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138580386011 = 1184711169741
BaseRepresentation
bin1000000100010000001…
…0001110000011011011
3111020200220110000110022
42001010002032003123
54232303034323021
6143355110341055
713004102563004
oct2010402160333
9436626400408
10138580386011
1153854019141
1222a3635a78b
13100b6736a12
1469c8c921ab
1539112a51ab
hex204408e0db

138580386011 has 4 divisors (see below), whose sum is σ = 138581674224. Its totient is φ = 138579097800.

The previous prime is 138580386001. The next prime is 138580386047. The reversal of 138580386011 is 110683085831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110683085831 = 472354959273.

It is a cyclic number.

It is not a de Polignac number, because 138580386011 - 26 = 138580385947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138580386001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 466400 + ... + 703341.

It is an arithmetic number, because the mean of its divisors is an integer number (34645418556).

Almost surely, 2138580386011 is an apocalyptic number.

138580386011 is a deficient number, since it is larger than the sum of its proper divisors (1288213).

138580386011 is a wasteful number, since it uses less digits than its factorization.

138580386011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288212.

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 138580386011 in words is "one hundred thirty-eight billion, five hundred eighty million, three hundred eighty-six thousand, eleven".

Divisors: 1 118471 1169741 138580386011