Base | Representation |
---|---|
bin | 101110001010… |
… | …110110100101 |
3 | 211202220022010 |
4 | 232022312211 |
5 | 11044244302 |
6 | 1111224433 |
7 | 204605640 |
oct | 56126645 |
9 | 24686263 |
10 | 12103077 |
11 | 6917248 |
12 | 4078119 |
13 | 2679bac |
14 | 1870a57 |
15 | 10e116c |
hex | b8ada5 |
12103077 has 16 divisors (see below), whose sum is σ = 18893952. Its totient is φ = 6746880.
The previous prime is 12103067. The next prime is 12103079. The reversal of 12103077 is 77030121.
It is not a de Polignac number, because 12103077 - 28 = 12102821 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a zygodrome in base 6.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12103079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6168 + ... + 7889.
It is an arithmetic number, because the mean of its divisors is an integer number (1180872).
Almost surely, 212103077 is an apocalyptic number.
It is an amenable number.
12103077 is a deficient number, since it is larger than the sum of its proper divisors (6790875).
12103077 is a wasteful number, since it uses less digits than its factorization.
12103077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14108.
The product of its (nonzero) digits is 294, while the sum is 21.
The square root of 12103077 is about 3478.9476857234. The cubic root of 12103077 is about 229.5965011081.
Adding to 12103077 its reverse (77030121), we get a palindrome (89133198).
The spelling of 12103077 in words is "twelve million, one hundred three thousand, seventy-seven".
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