Base | Representation |
---|---|
bin | 10110100110010011… |
… | …00000111100011001 |
3 | 1011022112021212100210 |
4 | 23103021200330121 |
5 | 144321344441101 |
6 | 5323515521333 |
7 | 606436610652 |
oct | 132311407431 |
9 | 34275255323 |
10 | 12132421401 |
11 | 5166487851 |
12 | 2427159249 |
13 | 11b471a499 |
14 | 83144c529 |
15 | 4b01cb7d6 |
hex | 2d3260f19 |
12132421401 has 8 divisors (see below), whose sum is σ = 16233724000. Its totient is φ = 8059699872.
The previous prime is 12132421351. The next prime is 12132421447. The reversal of 12132421401 is 10412423121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12132421401 - 215 = 12132388633 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12132421451) 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, 7144276 + ... + 7145973.
It is an arithmetic number, because the mean of its divisors is an integer number (2029215500).
Almost surely, 212132421401 is an apocalyptic number.
It is an amenable number.
12132421401 is a deficient number, since it is larger than the sum of its proper divisors (4101302599).
12132421401 is a wasteful number, since it uses less digits than its factorization.
12132421401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14290535.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 12132421401 its reverse (10412423121), we get a palindrome (22544844522).
The spelling of 12132421401 in words is "twelve billion, one hundred thirty-two million, four hundred twenty-one thousand, four hundred one".
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