Base | Representation |
---|---|
bin | 10011000101100111… |
… | …001000111100101000 |
3 | 1221220100102010012000 |
4 | 103011213020330220 |
5 | 313433240203000 |
6 | 13225420051000 |
7 | 1323614450133 |
oct | 230547107450 |
9 | 57810363160 |
10 | 20495241000 |
11 | 8768035a03 |
12 | 3b7b993a60 |
13 | 1c18184850 |
14 | dc5d9d21a |
15 | 7ee494000 |
hex | 4c59c8f28 |
20495241000 has 256 divisors, whose sum is σ = 76516876800. Its totient is φ = 5044896000.
The previous prime is 20495240993. The next prime is 20495241047. The reversal of 20495241000 is 14259402.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 321805 + ... + 380195.
It is an arithmetic number, because the mean of its divisors is an integer number (298894050).
Almost surely, 220495241000 is an apocalyptic number.
20495241000 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 20495241000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38258438400).
20495241000 is an abundant number, since it is smaller than the sum of its proper divisors (56021635800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20495241000 is a wasteful number, since it uses less digits than its factorization.
20495241000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58434 (or 58414 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The spelling of 20495241000 in words is "twenty billion, four hundred ninety-five million, two hundred forty-one thousand".
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