Base | Representation |
---|---|
bin | 1110010000111110001… |
… | …0101111001101100000 |
3 | 212102120121210001211100 |
4 | 3210033202233031200 |
5 | 13003402404303014 |
6 | 304330240114400 |
7 | 23464105532205 |
oct | 3441742571540 |
9 | 772517701740 |
10 | 245073900384 |
11 | 94a31911745 |
12 | 3b5b6905a00 |
13 | 1a158636251 |
14 | bc0c4a9cac |
15 | 659560e009 |
hex | 390f8af360 |
245073900384 has 144 divisors (see below), whose sum is σ = 733914745200. Its totient is φ = 77359546368.
The previous prime is 245073900367. The next prime is 245073900397. The reversal of 245073900384 is 483009370542.
245073900384 is a `hidden beast` number, since 24 + 507 + 3 + 90 + 0 + 38 + 4 = 666.
245073900384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×2450739003842 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 15494272 + ... + 15510080.
It is an arithmetic number, because the mean of its divisors is an integer number (5096630175).
Almost surely, 2245073900384 is an apocalyptic number.
245073900384 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 245073900384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366957372600).
245073900384 is an abundant number, since it is smaller than the sum of its proper divisors (488840844816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245073900384 is a wasteful number, since it uses less digits than its factorization.
245073900384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18677 (or 18666 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 45.
The spelling of 245073900384 in words is "two hundred forty-five billion, seventy-three million, nine hundred thousand, three hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •