Base | Representation |
---|---|
bin | 1000000101011101000… |
… | …1010010101001010110 |
3 | 111021112101200210102121 |
4 | 2001113101102221112 |
5 | 4233433143312321 |
6 | 143451115330154 |
7 | 13015101622015 |
oct | 2012721225126 |
9 | 437471623377 |
10 | 138903104086 |
11 | 539aa1a9a9a |
12 | 22b0645095a |
13 | 1013855a166 |
14 | 6a19a9aa7c |
15 | 392e7a0441 |
hex | 2057452a56 |
138903104086 has 16 divisors (see below), whose sum is σ = 211484450736. Its totient is φ = 68408483616.
The previous prime is 138903104077. The next prime is 138903104141. The reversal of 138903104086 is 680401309831.
It is a super-2 number, since 2×1389031040862 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569900 + ... + 1656016.
It is an arithmetic number, because the mean of its divisors is an integer number (13217778171).
Almost surely, 2138903104086 is an apocalyptic number.
138903104086 is a deficient number, since it is larger than the sum of its proper divisors (72581346650).
138903104086 is a wasteful number, since it uses less digits than its factorization.
138903104086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98223.
The product of its (nonzero) digits is 124416, while the sum is 43.
The spelling of 138903104086 in words is "one hundred thirty-eight billion, nine hundred three million, one hundred four thousand, eighty-six".
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