Base | Representation |
---|---|
bin | 1000000101010101101… |
… | …1000001000101110000 |
3 | 111021110020100120200220 |
4 | 2001111123001011300 |
5 | 4233402224133214 |
6 | 143444051013040 |
7 | 13014244236510 |
oct | 2012533010560 |
9 | 437406316626 |
10 | 138872099184 |
11 | 53993752605 |
12 | 22ab7b9a180 |
13 | 10131cc2970 |
14 | 6a15909840 |
15 | 392bbc89a9 |
hex | 20556c1170 |
138872099184 has 80 divisors (see below), whose sum is σ = 441542072832. Its totient is φ = 36625607424.
The previous prime is 138872099183. The next prime is 138872099203. The reversal of 138872099184 is 481990278831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138872099183) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15892164 + ... + 15900899.
Almost surely, 2138872099184 is an apocalyptic number.
138872099184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
138872099184 is an abundant number, since it is smaller than the sum of its proper divisors (302669973648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138872099184 is a wasteful number, since it uses less digits than its factorization.
138872099184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31793094 (or 31793088 counting only the distinct ones).
The product of its (nonzero) digits is 6967296, while the sum is 60.
The spelling of 138872099184 in words is "one hundred thirty-eight billion, eight hundred seventy-two million, ninety-nine thousand, one hundred eighty-four".
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