Base | Representation |
---|---|
bin | 11100100000000101… |
… | …011010100011000000 |
3 | 2220222210001121011000 |
4 | 130200011122203000 |
5 | 1000133340431230 |
6 | 22020413452000 |
7 | 2132241505320 |
oct | 344005324300 |
9 | 86883047130 |
10 | 30603061440 |
11 | 11a846a3016 |
12 | 5b20aa1000 |
13 | 2b692c32a3 |
14 | 16a458b280 |
15 | be1a4db60 |
hex | 72015a8c0 |
30603061440 has 448 divisors, whose sum is σ = 124563225600. Its totient is φ = 6928146432.
The previous prime is 30603061439. The next prime is 30603061441. The reversal of 30603061440 is 4416030603.
30603061440 is a `hidden beast` number, since 3 + 0 + 6 + 0 + 3 + 0 + 614 + 40 = 666.
It is an interprime number because it is at equal distance from previous prime (30603061439) and next prime (30603061441).
It is a tau number, because it is divible by the number of its divisors (448).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (30603061441) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6468996 + ... + 6473724.
Almost surely, 230603061440 is an apocalyptic number.
30603061440 is a gapful number since it is divisible by the number (30) 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 30603061440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62281612800).
30603061440 is an abundant number, since it is smaller than the sum of its proper divisors (93960164160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30603061440 is a wasteful number, since it uses less digits than its factorization.
30603061440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4869 (or 4853 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
The spelling of 30603061440 in words is "thirty billion, six hundred three million, sixty-one thousand, four hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •