Base | Representation |
---|---|
bin | 10110100010110010… |
… | …11100000111000110 |
3 | 1011020111000012200111 |
4 | 23101121130013012 |
5 | 144241334311403 |
6 | 5320550103234 |
7 | 605632104133 |
oct | 132131340706 |
9 | 34214005614 |
10 | 12103041478 |
11 | 5150940220 |
12 | 241934ab1a |
13 | 11ab601808 |
14 | 82b5a158a |
15 | 4ac82656d |
hex | 2d165c1c6 |
12103041478 has 8 divisors (see below), whose sum is σ = 19804977000. Its totient is φ = 5501382480.
The previous prime is 12103041463. The next prime is 12103041479. The reversal of 12103041478 is 87414030121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×121030414782 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12103041479) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275069103 + ... + 275069146.
It is an arithmetic number, because the mean of its divisors is an integer number (2475622125).
Almost surely, 212103041478 is an apocalyptic number.
12103041478 is a deficient number, since it is larger than the sum of its proper divisors (7701935522).
12103041478 is a wasteful number, since it uses less digits than its factorization.
12103041478 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 550138262.
The product of its (nonzero) digits is 5376, while the sum is 31.
Adding to 12103041478 its reverse (87414030121), we get a palindrome (99517071599).
The spelling of 12103041478 in words is "twelve billion, one hundred three million, forty-one thousand, four hundred seventy-eight".
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