Base | Representation |
---|---|
bin | 1110000010111000101011… |
… | …10001100100100111010100 |
3 | 11001100121210212101121110110 |
4 | 13001130111301210213110 |
5 | 13022011423114021400 |
6 | 145404331424323020 |
7 | 6335254603043235 |
oct | 701342561444724 |
9 | 131317725347413 |
10 | 30885475142100 |
11 | 9928502598157 |
12 | 356998b173470 |
13 | 143064593ca87 |
14 | 78ac176b308c |
15 | 388607098e50 |
hex | 1c1715c649d4 |
30885475142100 has 72 divisors (see below), whose sum is σ = 89701754345280. Its totient is φ = 8204810612480.
The previous prime is 30885475142099. The next prime is 30885475142117. The reversal of 30885475142100 is 124157458803.
It is a self number, because there is not a number n which added to its sum of digits gives 30885475142100.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195646545 + ... + 195804344.
It is an arithmetic number, because the mean of its divisors is an integer number (1245857699240).
Almost surely, 230885475142100 is an apocalyptic number.
30885475142100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30885475142100 is an abundant number, since it is smaller than the sum of its proper divisors (58816279203180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30885475142100 is a wasteful number, since it uses less digits than its factorization.
30885475142100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 391451169 (or 391451162 counting only the distinct ones).
The product of its (nonzero) digits is 1075200, while the sum is 48.
The spelling of 30885475142100 in words is "thirty trillion, eight hundred eighty-five billion, four hundred seventy-five million, one hundred forty-two thousand, one hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •