Base | Representation |
---|---|
bin | 10011001111000110… |
… | …000001111000111000 |
3 | 1222022102202212001200 |
4 | 103033012001320320 |
5 | 314300002132441 |
6 | 13253302014200 |
7 | 1330555636506 |
oct | 231706017070 |
9 | 58272685050 |
10 | 20654333496 |
11 | 8839918505 |
12 | 4005117360 |
13 | 1c42118214 |
14 | ddd173676 |
15 | 80d41c7b6 |
hex | 4cf181e38 |
20654333496 has 96 divisors (see below), whose sum is σ = 59188818000. Its totient is φ = 6488543232.
The previous prime is 20654333489. The next prime is 20654333519. The reversal of 20654333496 is 69433345602.
20654333496 is a `hidden beast` number, since 206 + 5 + 433 + 3 + 4 + 9 + 6 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224910 + ... + 303138.
Almost surely, 220654333496 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 20654333496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29594409000).
20654333496 is an abundant number, since it is smaller than the sum of its proper divisors (38534484504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20654333496 is a wasteful number, since it uses less digits than its factorization.
20654333496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78453 (or 78446 counting only the distinct ones).
The product of its (nonzero) digits is 1399680, while the sum is 45.
The spelling of 20654333496 in words is "twenty billion, six hundred fifty-four million, three hundred thirty-three thousand, four hundred ninety-six".
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