Base | Representation |
---|---|
bin | 10101010101111110… |
… | …100011001000011100 |
3 | 2012011010221021221111 |
4 | 111111332203020130 |
5 | 333413311443133 |
6 | 14310021111404 |
7 | 1440624544000 |
oct | 252576431034 |
9 | 65133837844 |
10 | 22917296668 |
11 | 97a0242202 |
12 | 4536b58564 |
13 | 2212bc3496 |
14 | 1175920700 |
15 | 8e1e251cd |
hex | 555fa321c |
22917296668 has 108 divisors (see below), whose sum is σ = 48269566800. Its totient is φ = 9516497760.
The previous prime is 22917296659. The next prime is 22917296687. The reversal of 22917296668 is 86669271922.
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 a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 342049171 + ... + 342049237.
Almost surely, 222917296668 is an apocalyptic number.
22917296668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22917296668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24134783400).
22917296668 is an abundant number, since it is smaller than the sum of its proper divisors (25352270132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22917296668 is an frugal number, since it uses more digits than its factorization.
22917296668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281 (or 137 counting only the distinct ones).
The product of its digits is 7838208, while the sum is 58.
The spelling of 22917296668 in words is "twenty-two billion, nine hundred seventeen million, two hundred ninety-six thousand, six hundred sixty-eight".
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