Base | Representation |
---|---|
bin | 10100101000101010… |
… | …011010000001000010 |
3 | 2010012011101100020012 |
4 | 110220222122001002 |
5 | 330334200313410 |
6 | 14102342144522 |
7 | 1413033514205 |
oct | 245052320102 |
9 | 63164340205 |
10 | 22157041730 |
11 | 944008843a |
12 | 4364422142 |
13 | 21215480a5 |
14 | 110297d93c |
15 | 89a2ee605 |
hex | 528a9a042 |
22157041730 has 32 divisors (see below), whose sum is σ = 40755222144. Its totient is φ = 8670992256.
The previous prime is 22157041703. The next prime is 22157041733. The reversal of 22157041730 is 3714075122.
It is a super-2 number, since 2×221570417302 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (22157041733) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44099 + ... + 215078.
It is an arithmetic number, because the mean of its divisors is an integer number (1273600692).
Almost surely, 222157041730 is an apocalyptic number.
22157041730 is a deficient number, since it is larger than the sum of its proper divisors (18598180414).
22157041730 is a wasteful number, since it uses less digits than its factorization.
22157041730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259370.
The product of its (nonzero) digits is 11760, while the sum is 32.
The spelling of 22157041730 in words is "twenty-two billion, one hundred fifty-seven million, forty-one thousand, seven hundred thirty".
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