Base | Representation |
---|---|
bin | 10010111100001011… |
… | …001010001001111000 |
3 | 1221111022111010012202 |
4 | 102330023022021320 |
5 | 313122222122333 |
6 | 13202002325332 |
7 | 1316652614423 |
oct | 227413121170 |
9 | 57438433182 |
10 | 20336910968 |
11 | 8696724240 |
12 | 3b36959848 |
13 | 1bc142a23a |
14 | dacd469ba |
15 | 7e061b5e8 |
hex | 4bc2ca278 |
20336910968 has 64 divisors (see below), whose sum is σ = 43342992000. Its totient is φ = 8860924800.
The previous prime is 20336910967. The next prime is 20336910973. The reversal of 20336910968 is 86901963302.
It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20336910967) 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, 326063 + ... + 383393.
It is an arithmetic number, because the mean of its divisors is an integer number (677234250).
Almost surely, 220336910968 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 20336910968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21671496000).
20336910968 is an abundant number, since it is smaller than the sum of its proper divisors (23006081032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20336910968 is a wasteful number, since it uses less digits than its factorization.
20336910968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57516 (or 57512 counting only the distinct ones).
The product of its (nonzero) digits is 419904, while the sum is 47.
The spelling of 20336910968 in words is "twenty billion, three hundred thirty-six million, nine hundred ten thousand, nine hundred sixty-eight".
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