Base | Representation |
---|---|
bin | 10110100011101000… |
… | …10111111110101101 |
3 | 1011020222021221111210 |
4 | 23101310113332231 |
5 | 144300141234240 |
6 | 5321401305033 |
7 | 606046113060 |
oct | 132164277655 |
9 | 34228257453 |
10 | 12110102445 |
11 | 5154923231 |
12 | 241b795179 |
13 | 11acc046bc |
14 | 82c4bc8d7 |
15 | 4ad26d780 |
hex | 2d1d17fad |
12110102445 has 32 divisors (see below), whose sum is σ = 22154584320. Its totient is φ = 5533447680.
The previous prime is 12110102443. The next prime is 12110102461. The reversal of 12110102445 is 54420101121.
It is not a de Polignac number, because 12110102445 - 21 = 12110102443 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12110102443) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207241 + ... + 259169.
It is an arithmetic number, because the mean of its divisors is an integer number (692330760).
Almost surely, 212110102445 is an apocalyptic number.
12110102445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12110102445 is a deficient number, since it is larger than the sum of its proper divisors (10044481875).
12110102445 is a wasteful number, since it uses less digits than its factorization.
12110102445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54165.
The product of its (nonzero) digits is 320, while the sum is 21.
Adding to 12110102445 its reverse (54420101121), we get a palindrome (66530203566).
The spelling of 12110102445 in words is "twelve billion, one hundred ten million, one hundred two thousand, four hundred forty-five".
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