Base | Representation |
---|---|
bin | 11100011010100011… |
… | …01101000000011100 |
3 | 1110101011012220110000 |
4 | 32031101231000130 |
5 | 222220303131030 |
6 | 11001430214300 |
7 | 1050015316035 |
oct | 161521550034 |
9 | 43334186400 |
10 | 15255130140 |
11 | 651913a078 |
12 | 2b58ab4390 |
13 | 1591666833 |
14 | a4a077a8c |
15 | 5e440d860 |
hex | 38d46d01c |
15255130140 has 60 divisors (see below), whose sum is σ = 47855913336. Its totient is φ = 4068034272.
The previous prime is 15255130133. The next prime is 15255130171. The reversal of 15255130140 is 4103155251.
15255130140 is a `hidden beast` number, since 1 + 5 + 2 + 5 + 513 + 0 + 140 = 666.
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4706754 + ... + 4709993.
Almost surely, 215255130140 is an apocalyptic number.
15255130140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15255130140 is an abundant number, since it is smaller than the sum of its proper divisors (32600783196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15255130140 is a wasteful number, since it uses less digits than its factorization.
15255130140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9416768 (or 9416757 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 27.
Adding to 15255130140 its reverse (4103155251), we get a palindrome (19358285391).
The spelling of 15255130140 in words is "fifteen billion, two hundred fifty-five million, one hundred thirty thousand, one hundred forty".
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