Base | Representation |
---|---|
bin | 11001000100100010010010… |
… | …10101101101101001001001 |
3 | 21020012111212012012200120222 |
4 | 30202101021111231221021 |
5 | 24211233132220441301 |
6 | 313131010220355425 |
7 | 14420054150246306 |
oct | 1442211125555111 |
9 | 236174765180528 |
10 | 55131430640201 |
11 | 16626121360953 |
12 | 6224a106a5b75 |
13 | 249bb43ba7a16 |
14 | d885384660ad |
15 | 659165add31b |
hex | 32244956da49 |
55131430640201 has 12 divisors (see below), whose sum is σ = 57954637878480. Its totient is φ = 52439806173480.
The previous prime is 55131430640189. The next prime is 55131430640239. The reversal of 55131430640201 is 10204603413155.
It is not a de Polignac number, because 55131430640201 - 26 = 55131430640137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (55131430640281) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291017615 + ... + 291206996.
It is an arithmetic number, because the mean of its divisors is an integer number (4829553156540).
Almost surely, 255131430640201 is an apocalyptic number.
It is an amenable number.
55131430640201 is a deficient number, since it is larger than the sum of its proper divisors (2823207238279).
55131430640201 is a wasteful number, since it uses less digits than its factorization.
55131430640201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 582224836 (or 582224813 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 35.
The spelling of 55131430640201 in words is "fifty-five trillion, one hundred thirty-one billion, four hundred thirty million, six hundred forty thousand, two hundred one".
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