Base | Representation |
---|---|
bin | 11100000100100000… |
… | …010011111111000000 |
3 | 2212210112101102221002 |
4 | 130010200103333000 |
5 | 443211412203100 |
6 | 21502444151132 |
7 | 2114622515456 |
oct | 340440237700 |
9 | 85715342832 |
10 | 30140350400 |
11 | 118674953a6 |
12 | 5a11b384a8 |
13 | 2ac4495a84 |
14 | 165cd409d6 |
15 | bb60ee2d5 |
hex | 704813fc0 |
30140350400 has 42 divisors (see below), whose sum is σ = 74164103640. Its totient is φ = 12056139520.
The previous prime is 30140350399. The next prime is 30140350403. The reversal of 30140350400 is 405304103.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30140350403) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9417260 + ... + 9420459.
Almost surely, 230140350400 is an apocalyptic number.
It is an amenable number.
30140350400 is an abundant number, since it is smaller than the sum of its proper divisors (44023753240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30140350400 is a wasteful number, since it uses less digits than its factorization.
30140350400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18837741 (or 18837726 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
Adding to 30140350400 its reverse (405304103), we get a palindrome (30545654503).
The spelling of 30140350400 in words is "thirty billion, one hundred forty million, three hundred fifty thousand, four hundred".
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