Base | Representation |
---|---|
bin | 10011010001010111… |
… | …001110111110110000 |
3 | 1222102002101201202010 |
4 | 103101113032332300 |
5 | 314334223214000 |
6 | 13301141522520 |
7 | 1331530323651 |
oct | 232127167660 |
9 | 58362351663 |
10 | 20692398000 |
11 | 885935697a |
12 | 4015a13440 |
13 | 1c49c84ab1 |
14 | 1004241528 |
15 | 81193ad50 |
hex | 4d15cefb0 |
20692398000 has 320 divisors, whose sum is σ = 69402557952. Its totient is φ = 5299430400.
The previous prime is 20692397983. The next prime is 20692398053. The reversal of 20692398000 is 89329602.
It is a super-3 number, since 3×206923980003 (a number of 32 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20692398000.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18425439 + ... + 18426561.
Almost surely, 220692398000 is an apocalyptic number.
20692398000 is a gapful number since it is divisible by the number (20) 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 20692398000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34701278976).
20692398000 is an abundant number, since it is smaller than the sum of its proper divisors (48710159952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20692398000 is a wasteful number, since it uses less digits than its factorization.
20692398000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1269 (or 1253 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 39.
The spelling of 20692398000 in words is "twenty billion, six hundred ninety-two million, three hundred ninety-eight thousand".
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