Base | Representation |
---|---|
bin | 11011111101010101… |
… | …010101011101011000 |
3 | 2212111010222122120210 |
4 | 123331111111131120 |
5 | 442440112013334 |
6 | 21442505251120 |
7 | 2111632031121 |
oct | 337525253530 |
9 | 85433878523 |
10 | 30020032344 |
11 | 11805586695 |
12 | 5999793aa0 |
13 | 2aa558a163 |
14 | 164ad81048 |
15 | baa7845e9 |
hex | 6fd555758 |
30020032344 has 16 divisors (see below), whose sum is σ = 75050080920. Its totient is φ = 10006677440.
The previous prime is 30020032327. The next prime is 30020032349. The reversal of 30020032344 is 44323002003.
It is a super-2 number, since 2×300200323442 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30020032344.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30020032349) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625417317 + ... + 625417364.
Almost surely, 230020032344 is an apocalyptic number.
It is an amenable number.
30020032344 is an abundant number, since it is smaller than the sum of its proper divisors (45030048576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30020032344 is a wasteful number, since it uses less digits than its factorization.
30020032344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1250834690 (or 1250834686 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 21.
Adding to 30020032344 its reverse (44323002003), we get a palindrome (74343034347).
The spelling of 30020032344 in words is "thirty billion, twenty million, thirty-two thousand, three hundred forty-four".
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