Base | Representation |
---|---|
bin | 11011111101100100… |
… | …10110101011101110 |
3 | 1102202012210012102002 |
4 | 31332302112223232 |
5 | 221221034444324 |
6 | 10521343532302 |
7 | 1041004105565 |
oct | 157662265356 |
9 | 42665705362 |
10 | 15012031214 |
11 | 640399a274 |
12 | 2aab5ba092 |
13 | 155319c30b |
14 | a25a76bdc |
15 | 5ccdde3ae |
hex | 37ec96aee |
15012031214 has 12 divisors (see below), whose sum is σ = 23765585184. Its totient is φ = 7110961812.
The previous prime is 15012031183. The next prime is 15012031217. The reversal of 15012031214 is 41213021051.
It is a super-2 number, since 2×150120312142 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15012031217) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10395422 + ... + 10396865.
It is an arithmetic number, because the mean of its divisors is an integer number (1980465432).
Almost surely, 215012031214 is an apocalyptic number.
15012031214 is a deficient number, since it is larger than the sum of its proper divisors (8753553970).
15012031214 is a wasteful number, since it uses less digits than its factorization.
15012031214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20792327 (or 20792308 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 20.
Adding to 15012031214 its reverse (41213021051), we get a palindrome (56225052265).
The spelling of 15012031214 in words is "fifteen billion, twelve million, thirty-one thousand, two hundred fourteen".
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