Base | Representation |
---|---|
bin | 10010111101110001… |
… | …100010111001110000 |
3 | 1221120011222201211220 |
4 | 102331301202321300 |
5 | 313201110013044 |
6 | 13204401505040 |
7 | 1320430012341 |
oct | 227561427160 |
9 | 57504881756 |
10 | 20363751024 |
11 | 86aa896601 |
12 | 3b43942180 |
13 | 1bc6b66b26 |
14 | db27320c8 |
15 | 7e2b6e019 |
hex | 4bdc62e70 |
20363751024 has 80 divisors (see below), whose sum is σ = 53509863840. Its totient is φ = 6671508480.
The previous prime is 20363750977. The next prime is 20363751029. The reversal of 20363751024 is 42015736302.
It is a super-3 number, since 3×203637510243 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20363751029) 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, 6548382 + ... + 6551490.
It is an arithmetic number, because the mean of its divisors is an integer number (668873298).
Almost surely, 220363751024 is an apocalyptic number.
20363751024 is a gapful number since it is divisible by the number (24) 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 20363751024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26754931920).
20363751024 is an abundant number, since it is smaller than the sum of its proper divisors (33146112816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20363751024 is a wasteful number, since it uses less digits than its factorization.
20363751024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5418 (or 5412 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 33.
The spelling of 20363751024 in words is "twenty billion, three hundred sixty-three million, seven hundred fifty-one thousand, twenty-four".
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