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103138578318 = 2392077186689
BaseRepresentation
bin110000000001110001…
…0011100111110001110
3100212012220102122022010
41200003202130332032
53142211434001233
6115214201402050
710310604310416
oct1400342347616
9325186378263
10103138578318
113a817047486
1217ba4a99326
139958b24189
144dc5c1b646
152a39a53b63
hex180389cf8e

103138578318 has 16 divisors (see below), whose sum is σ = 206280501840. Its totient is φ = 34378968576.

The previous prime is 103138578317. The next prime is 103138578373. The reversal of 103138578318 is 813875831301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103138578317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459118 + ... + 645806.

It is an arithmetic number, because the mean of its divisors is an integer number (12892531365).

Almost surely, 2103138578318 is an apocalyptic number.

103138578318 is an abundant number, since it is smaller than the sum of its proper divisors (103141923522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103138578318 is a wasteful number, since it uses less digits than its factorization.

103138578318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278771.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 103138578318 in words is "one hundred three billion, one hundred thirty-eight million, five hundred seventy-eight thousand, three hundred eighteen".

Divisors: 1 2 3 6 92077 184154 186689 276231 373378 552462 560067 1120134 17189763053 34379526106 51569289159 103138578318