Base | Representation |
---|---|
bin | 101110111110… |
… | …101000001110 |
3 | 212011200012200 |
4 | 232332220032 |
5 | 11123041100 |
6 | 1115542330 |
7 | 206451141 |
oct | 56765016 |
9 | 25150180 |
10 | 12315150 |
11 | 6a51611 |
12 | 415a9a6 |
13 | 2722593 |
14 | 18c8058 |
15 | 1133e00 |
hex | bbea0e |
12315150 has 36 divisors (see below), whose sum is σ = 33087912. Its totient is φ = 3283920.
The previous prime is 12315131. The next prime is 12315161. The reversal of 12315150 is 5151321.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13234 + ... + 14133.
Almost surely, 212315150 is an apocalyptic number.
12315150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12315150 is an abundant number, since it is smaller than the sum of its proper divisors (20772762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12315150 is a wasteful number, since it uses less digits than its factorization.
12315150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27385 (or 27377 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 18.
The square root of 12315150 is about 3509.2948009536. The cubic root of 12315150 is about 230.9297588202.
Adding to 12315150 its reverse (5151321), we get a palindrome (17466471).
It can be divided in two parts, 123151 and 50, that added together give a square (123201 = 3512).
The spelling of 12315150 in words is "twelve million, three hundred fifteen thousand, one hundred fifty".
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