Base | Representation |
---|---|
bin | 1101101111011100011010… |
… | …0000111000100001010000 |
3 | 1222111101021101221111210110 |
4 | 3123313012200320201100 |
5 | 3440020140001121122 |
6 | 52044504401201320 |
7 | 3116366266122414 |
oct | 333670640704120 |
9 | 58441241844713 |
10 | 15108730488912 |
11 | 48a5638528175 |
12 | 184020b330240 |
13 | 8579936c8098 |
14 | 3a33a3232d44 |
15 | 1b302d09090c |
hex | dbdc6838850 |
15108730488912 has 40 divisors (see below), whose sum is σ = 39031801742304. Its totient is φ = 5036125477504.
The previous prime is 15108730488829. The next prime is 15108730488919. The reversal of 15108730488912 is 21988403780151.
It is a happy number.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15108730488919) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606323 + ... + 5726930.
Almost surely, 215108730488912 is an apocalyptic number.
15108730488912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
15108730488912 is an abundant number, since it is smaller than the sum of its proper divisors (23923071253392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15108730488912 is a wasteful number, since it uses less digits than its factorization.
15108730488912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7376187 (or 7376181 counting only the distinct ones).
The product of its (nonzero) digits is 3870720, while the sum is 57.
The spelling of 15108730488912 in words is "fifteen trillion, one hundred eight billion, seven hundred thirty million, four hundred eighty-eight thousand, nine hundred twelve".
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