Base | Representation |
---|---|
bin | 1100000100101001111… |
… | …0011101101001000010 |
3 | 201211100121121111221022 |
4 | 3001022132131221002 |
5 | 11344232412224142 |
6 | 235140515425442 |
7 | 20661522213224 |
oct | 3011236355102 |
9 | 654317544838 |
10 | 207407929922 |
11 | 7aa63407636 |
12 | 342445b5282 |
13 | 16734cb1c6b |
14 | a077ca8414 |
15 | 55dd9bb6d2 |
hex | 304a79da42 |
207407929922 has 54 divisors (see below), whose sum is σ = 349148951307. Its totient is φ = 92373948288.
The previous prime is 207407929921. The next prime is 207407929951. The reversal of 207407929922 is 229929704702.
It can be written as a sum of positive squares in 5 ways, for example, as 205844597401 + 1563332521 = 453701^2 + 39539^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=322031.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (207407929921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 208031528 + ... + 208032524.
Almost surely, 2207407929922 is an apocalyptic number.
207407929922 is a deficient number, since it is larger than the sum of its proper divisors (141741021385).
207407929922 is an frugal number, since it uses more digits than its factorization.
207407929922 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2068 (or 1035 counting only the distinct ones).
The product of its (nonzero) digits is 2286144, while the sum is 53.
The spelling of 207407929922 in words is "two hundred seven billion, four hundred seven million, nine hundred twenty-nine thousand, nine hundred twenty-two".
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