Base | Representation |
---|---|
bin | 10010110111101111… |
… | …00000011101110000 |
3 | 222011001122220100102 |
4 | 21123313200131300 |
5 | 131222042242034 |
6 | 4353151011532 |
7 | 506026611434 |
oct | 113367403560 |
9 | 28131586312 |
10 | 10131212144 |
11 | 43298946a9 |
12 | 1b68b09ba8 |
13 | c55c3b8b1 |
14 | 6c175a9c4 |
15 | 3e467a97e |
hex | 25bde0770 |
10131212144 has 40 divisors (see below), whose sum is σ = 19911938352. Its totient is φ = 4992744960.
The previous prime is 10131212141. The next prime is 10131212153. The reversal of 10131212144 is 44121213101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10131212141) 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, 2779187 + ... + 2782829.
Almost surely, 210131212144 is an apocalyptic number.
It is an amenable number.
10131212144 is a deficient number, since it is larger than the sum of its proper divisors (9780726208).
10131212144 is a wasteful number, since it uses less digits than its factorization.
10131212144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6105 (or 6099 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 10131212144 its reverse (44121213101), we get a palindrome (54252425245).
The spelling of 10131212144 in words is "ten billion, one hundred thirty-one million, two hundred twelve thousand, one hundred forty-four".
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