Base | Representation |
---|---|
bin | 10100111010010101… |
… | …001001011100000010 |
3 | 2010221211010212212010 |
4 | 110322111021130002 |
5 | 331441041134230 |
6 | 14152011313350 |
7 | 1423263151455 |
oct | 247225113402 |
9 | 63854125763 |
10 | 22453458690 |
11 | 9582434933 |
12 | 442774b856 |
13 | 216aa90040 |
14 | 113009d49c |
15 | 8b63519b0 |
hex | 53a549702 |
22453458690 has 64 divisors (see below), whose sum is σ = 58050510336. Its totient is φ = 5525390592.
The previous prime is 22453458673. The next prime is 22453458739. The reversal of 22453458690 is 9685435422.
It is a happy number.
It is a super-2 number, since 2×224534586902 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1859352 + ... + 1871388.
It is an arithmetic number, because the mean of its divisors is an integer number (907039224).
Almost surely, 222453458690 is an apocalyptic number.
22453458690 is an abundant number, since it is smaller than the sum of its proper divisors (35597051646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22453458690 is a wasteful number, since it uses less digits than its factorization.
22453458690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16843.
The product of its (nonzero) digits is 2073600, while the sum is 48.
The spelling of 22453458690 in words is "twenty-two billion, four hundred fifty-three million, four hundred fifty-eight thousand, six hundred ninety".
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