Base | Representation |
---|---|
bin | 11100011010110001… |
… | …101100010011010000 |
3 | 2220202120111001221202 |
4 | 130122301230103100 |
5 | 444443041131300 |
6 | 22003513010332 |
7 | 2130110523200 |
oct | 343261542320 |
9 | 86676431852 |
10 | 30514005200 |
11 | 11a393a6818 |
12 | 5ab70b39a8 |
13 | 2b53a11aa3 |
14 | 1696808400 |
15 | bd8d0bad5 |
hex | 71ac6c4d0 |
30514005200 has 90 divisors (see below), whose sum is σ = 85278915126. Its totient is φ = 10461937920.
The previous prime is 30514005167. The next prime is 30514005229. The reversal of 30514005200 is 250041503.
It can be written as a sum of positive squares in 3 ways, for example, as 6492304 + 30507512896 = 2548^2 + 174664^2 .
It is a super-2 number, since 2×305140052002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 758819 + ... + 798018.
Almost surely, 230514005200 is an apocalyptic number.
It is an amenable number.
30514005200 is an abundant number, since it is smaller than the sum of its proper divisors (54764909926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30514005200 is a wasteful number, since it uses less digits than its factorization.
30514005200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1556869 (or 1556851 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 20.
Adding to 30514005200 its reverse (250041503), we get a palindrome (30764046703).
The spelling of 30514005200 in words is "thirty billion, five hundred fourteen million, five thousand, two hundred".
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