Base | Representation |
---|---|
bin | 11100101001000000… |
… | …100010111100010101 |
3 | 2221101012210002110211 |
4 | 130221000202330111 |
5 | 1000440202430203 |
6 | 22043322445421 |
7 | 2136040213612 |
oct | 345100427425 |
9 | 87335702424 |
10 | 30752780053 |
11 | 12051162906 |
12 | 5b63063871 |
13 | 2b91324098 |
14 | 16ba401509 |
15 | beec74c6d |
hex | 729022f15 |
30752780053 has 8 divisors (see below), whose sum is σ = 31957862400. Its totient is φ = 29561013840.
The previous prime is 30752780027. The next prime is 30752780057. The reversal of 30752780053 is 35008725703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30752780053 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30752779988 and 30752780015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30752780057) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3324325 + ... + 3333562.
It is an arithmetic number, because the mean of its divisors is an integer number (3994732800).
Almost surely, 230752780053 is an apocalyptic number.
It is an amenable number.
30752780053 is a deficient number, since it is larger than the sum of its proper divisors (1205082347).
30752780053 is a wasteful number, since it uses less digits than its factorization.
30752780053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6658067.
The product of its (nonzero) digits is 176400, while the sum is 40.
The spelling of 30752780053 in words is "thirty billion, seven hundred fifty-two million, seven hundred eighty thousand, fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •