Base | Representation |
---|---|
bin | 10110100010110011… |
… | …01111010010000001 |
3 | 1011020111011012101202 |
4 | 23101121233102001 |
5 | 144241344320001 |
6 | 5320551510545 |
7 | 605632552100 |
oct | 132131572201 |
9 | 34214135352 |
10 | 12103120001 |
11 | 5150994215 |
12 | 2419388455 |
13 | 11ab62b48b |
14 | 82b5c2037 |
15 | 4ac83e96b |
hex | 2d166f481 |
12103120001 has 24 divisors (see below), whose sum is σ = 14555328480. Its totient is φ = 10028212992.
The previous prime is 12103119989. The next prime is 12103120019. The reversal of 12103120001 is 10002130121.
It is not a de Polignac number, because 12103120001 - 26 = 12103119937 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12103120201) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174770 + ... + 233988.
It is an arithmetic number, because the mean of its divisors is an integer number (606472020).
Almost surely, 212103120001 is an apocalyptic number.
It is an amenable number.
12103120001 is a deficient number, since it is larger than the sum of its proper divisors (2452208479).
12103120001 is an equidigital number, since it uses as much as digits as its factorization.
12103120001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59373 (or 59366 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 12103120001 its reverse (10002130121), we get a palindrome (22105250122).
The spelling of 12103120001 in words is "twelve billion, one hundred three million, one hundred twenty thousand, one".
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