Base | Representation |
---|---|
bin | 10100100011100100… |
… | …001101001111011001 |
3 | 2002222012110220211000 |
4 | 110203210031033121 |
5 | 330200302433312 |
6 | 14050045255213 |
7 | 1410644625204 |
oct | 244344151731 |
9 | 62865426730 |
10 | 22071530457 |
11 | 93a6892569 |
12 | 433b864509 |
13 | 21099082c2 |
14 | 10d548093b |
15 | 892a5cadc |
hex | 52390d3d9 |
22071530457 has 64 divisors (see below), whose sum is σ = 36896808960. Its totient is φ = 12964545792.
The previous prime is 22071530449. The next prime is 22071530461. The reversal of 22071530457 is 75403517022.
22071530457 is a `hidden beast` number, since 2 + 2 + 0 + 71 + 530 + 4 + 57 = 666.
It is not a de Polignac number, because 22071530457 - 23 = 22071530449 is a prime.
It is not an unprimeable number, because it can be changed into a prime (22071530477) 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 63 ways as a sum of consecutive naturals, for example, 473938 + ... + 518420.
It is an arithmetic number, because the mean of its divisors is an integer number (576512640).
Almost surely, 222071530457 is an apocalyptic number.
22071530457 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
It is an amenable number.
22071530457 is a deficient number, since it is larger than the sum of its proper divisors (14825278503).
22071530457 is a wasteful number, since it uses less digits than its factorization.
22071530457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44579 (or 44573 counting only the distinct ones).
The product of its (nonzero) digits is 58800, while the sum is 36.
The spelling of 22071530457 in words is "twenty-two billion, seventy-one million, five hundred thirty thousand, four hundred fifty-seven".
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