Base | Representation |
---|---|
bin | 11100001111111011… |
… | …110111000000111000 |
3 | 2220021220020101221020 |
4 | 130033323313000320 |
5 | 444110010334034 |
6 | 21533454342440 |
7 | 2122441530033 |
oct | 341773670070 |
9 | 86256211836 |
10 | 30332121144 |
11 | 11955767616 |
12 | 5a661baa20 |
13 | 2b2512b4a0 |
14 | 167a5c001a |
15 | bc7d80249 |
hex | 70fef7038 |
30332121144 has 32 divisors (see below), whose sum is σ = 81663403920. Its totient is φ = 9332960256.
The previous prime is 30332121137. The next prime is 30332121187. The reversal of 30332121144 is 44112123303.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48608857 + ... + 48609480.
Almost surely, 230332121144 is an apocalyptic number.
It is an amenable number.
30332121144 is an abundant number, since it is smaller than the sum of its proper divisors (51331282776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30332121144 is a wasteful number, since it uses less digits than its factorization.
30332121144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97218359 (or 97218355 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 30332121144 its reverse (44112123303), we get a palindrome (74444244447).
The spelling of 30332121144 in words is "thirty billion, three hundred thirty-two million, one hundred twenty-one thousand, one hundred forty-four".
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