Base | Representation |
---|---|
bin | 1011000000011111101011… |
… | …0001101110011010111111 |
3 | 1120212001021221202200201002 |
4 | 2300013322301232122333 |
5 | 3041244202313241111 |
6 | 41424033512240515 |
7 | 2356264564236425 |
oct | 260077261563277 |
9 | 46761257680632 |
10 | 12103130212031 |
11 | 39469aa5275a1 |
12 | 14358019a013b |
13 | 69a4218749a1 |
14 | 2dbb1a65d115 |
15 | 15ec6bd7063b |
hex | b01fac6e6bf |
12103130212031 has 8 divisors (see below), whose sum is σ = 12629402100960. Its totient is φ = 11576862392832.
The previous prime is 12103130212009. The next prime is 12103130212057. The reversal of 12103130212031 is 13021203130121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12103130212031 - 26 = 12103130211967 is a prime.
It is a super-2 number, since 2×121031302120312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12103130211994 and 12103130212012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12103130212001) 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, 6127355 + ... + 7858163.
It is an arithmetic number, because the mean of its divisors is an integer number (1578675262620).
Almost surely, 212103130212031 is an apocalyptic number.
12103130212031 is a deficient number, since it is larger than the sum of its proper divisors (526271888929).
12103130212031 is a wasteful number, since it uses less digits than its factorization.
12103130212031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2034865.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 12103130212031 its reverse (13021203130121), we get a palindrome (25124333342152).
The spelling of 12103130212031 in words is "twelve trillion, one hundred three billion, one hundred thirty million, two hundred twelve thousand, thirty-one".
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