Base | Representation |
---|---|
bin | 10110100010110101… |
… | …11011011101011001 |
3 | 1011020111202001102012 |
4 | 23101122323131121 |
5 | 144241434311100 |
6 | 5321002315305 |
7 | 605635321556 |
oct | 132132733531 |
9 | 34214661365 |
10 | 12103432025 |
11 | 5151087693 |
12 | 24194b8b35 |
13 | 11ab70a4c9 |
14 | 82b663a2d |
15 | 4ac8a2135 |
hex | 2d16bb759 |
12103432025 has 48 divisors (see below), whose sum is σ = 16273958400. Its totient is φ = 8902037760.
The previous prime is 12103432001. The next prime is 12103432027. The reversal of 12103432025 is 52023430121.
It is not a de Polignac number, because 12103432025 - 26 = 12103431961 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is not an unprimeable number, because it can be changed into a prime (12103432027) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3983807 + ... + 3986843.
It is an arithmetic number, because the mean of its divisors is an integer number (339040800).
Almost surely, 212103432025 is an apocalyptic number.
It is an amenable number.
12103432025 is a deficient number, since it is larger than the sum of its proper divisors (4170526375).
12103432025 is a wasteful number, since it uses less digits than its factorization.
12103432025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3338 (or 3333 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 12103432025 its reverse (52023430121), we get a palindrome (64126862146).
The spelling of 12103432025 in words is "twelve billion, one hundred three million, four hundred thirty-two thousand, twenty-five".
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