Base | Representation |
---|---|
bin | 1101001111100100001… |
… | …11100101110001101011 |
3 | 1121111112002002001110020 |
4 | 12213302013211301223 |
5 | 24423402103021331 |
6 | 545012314051523 |
7 | 44606105066100 |
oct | 6476207456153 |
9 | 1544462061406 |
10 | 455033642091 |
11 | 165a846a0236 |
12 | 74231a19ba3 |
13 | 33ba91b85c2 |
14 | 18049230aa7 |
15 | bc8313cc96 |
hex | 69f21e5c6b |
455033642091 has 48 divisors (see below), whose sum is σ = 740263804416. Its totient is φ = 247608736704.
The previous prime is 455033642057. The next prime is 455033642111. The reversal of 455033642091 is 190246330554.
It is not a de Polignac number, because 455033642091 - 210 = 455033641067 is a prime.
It is not an unprimeable number, because it can be changed into a prime (455033642051) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 634381 + ... + 1145646.
It is an arithmetic number, because the mean of its divisors is an integer number (15422162592).
Almost surely, 2455033642091 is an apocalyptic number.
455033642091 is a deficient number, since it is larger than the sum of its proper divisors (285230162325).
455033642091 is a wasteful number, since it uses less digits than its factorization.
455033642091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1780128 (or 1780121 counting only the distinct ones).
The product of its (nonzero) digits is 388800, while the sum is 42.
The spelling of 455033642091 in words is "four hundred fifty-five billion, thirty-three million, six hundred forty-two thousand, ninety-one".
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