Base | Representation |
---|---|
bin | 10101001000001001… |
… | …110000000001001000 |
3 | 2011112222111021200112 |
4 | 111020021300001020 |
5 | 332424422231013 |
6 | 14231013453452 |
7 | 1432110211334 |
oct | 251011600110 |
9 | 64488437615 |
10 | 22685352008 |
11 | 9691320800 |
12 | 4491341288 |
13 | 21a6b33017 |
14 | 1152bc47c4 |
15 | 8cb8aaba8 |
hex | 548270048 |
22685352008 has 108 divisors (see below), whose sum is σ = 48237585795. Its totient is φ = 9994147680.
The previous prime is 22685351999. The next prime is 22685352017. The reversal of 22685352008 is 80025358622.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is an interprime number because it is at equal distance from previous prime (22685351999) and next prime (22685352017).
It can be written as a sum of positive squares in only one way, i.e., 11342676004 + 11342676004 = 106502^2 + 106502^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=106502.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 220246085 + ... + 220246187.
Almost surely, 222685352008 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22685352008
22685352008 is an abundant number, since it is smaller than the sum of its proper divisors (25552233787).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22685352008 is a wasteful number, since it uses less digits than its factorization.
22685352008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328 (or 163 counting only the distinct ones).
The product of its (nonzero) digits is 230400, while the sum is 41.
The spelling of 22685352008 in words is "twenty-two billion, six hundred eighty-five million, three hundred fifty-two thousand, eight".
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