Base | Representation |
---|---|
bin | 10110100010110101… |
… | …10100001000101110 |
3 | 1011020111200112021021 |
4 | 23101122310020232 |
5 | 144241432331110 |
6 | 5321001524354 |
7 | 605635135246 |
oct | 132132641056 |
9 | 34214615237 |
10 | 12103402030 |
11 | 51510670a5 |
12 | 24194a36ba |
13 | 11ab6c9965 |
14 | 82b656b26 |
15 | 4ac8982da |
hex | 2d16b422e |
12103402030 has 16 divisors (see below), whose sum is σ = 21839397840. Its totient is φ = 4829522112.
The previous prime is 12103401949. The next prime is 12103402037. The reversal of 12103402030 is 3020430121.
It is a happy number.
It is a super-3 number, since 3×121034020303 (a number of 31 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12103401995 and 12103402013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12103402037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475544 + ... + 1483723.
It is an arithmetic number, because the mean of its divisors is an integer number (1364962365).
Almost surely, 212103402030 is an apocalyptic number.
12103402030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12103402030 is a deficient number, since it is larger than the sum of its proper divisors (9735995810).
12103402030 is a wasteful number, since it uses less digits than its factorization.
12103402030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2959683.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 12103402030 its reverse (3020430121), we get a palindrome (15123832151).
The spelling of 12103402030 in words is "twelve billion, one hundred three million, four hundred two thousand, thirty".
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