Base | Representation |
---|---|
bin | 1100001110100010010… |
… | …10110110101100101101 |
3 | 1111011101221222201202210 |
4 | 12013101022312230231 |
5 | 23340402001030331 |
6 | 521000113241033 |
7 | 42231664345131 |
oct | 6072112665455 |
9 | 1434357881683 |
10 | 420121111341 |
11 | 152199462138 |
12 | 69509863179 |
13 | 3080413b999 |
14 | 164965b33c1 |
15 | addd0d9446 |
hex | 61d12b6b2d |
420121111341 has 32 divisors (see below), whose sum is σ = 599031610240. Its totient is φ = 261131019264.
The previous prime is 420121111331. The next prime is 420121111357. The reversal of 420121111341 is 143111121024.
It is a de Polignac number, because none of the positive numbers 2k-420121111341 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420121111301) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1791111 + ... + 2012043.
It is an arithmetic number, because the mean of its divisors is an integer number (18719737820).
Almost surely, 2420121111341 is an apocalyptic number.
It is an amenable number.
420121111341 is a deficient number, since it is larger than the sum of its proper divisors (178910498899).
420121111341 is a wasteful number, since it uses less digits than its factorization.
420121111341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221485.
The product of its (nonzero) digits is 192, while the sum is 21.
Adding to 420121111341 its reverse (143111121024), we get a palindrome (563232232365).
The spelling of 420121111341 in words is "four hundred twenty billion, one hundred twenty-one million, one hundred eleven thousand, three hundred forty-one".
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