Base | Representation |
---|---|
bin | 1101101001000010101000… |
… | …10001001100110111000010 |
3 | 10221012201200221101020221022 |
4 | 12310201110101030313002 |
5 | 12412434302114444110 |
6 | 143444351221425442 |
7 | 6214150104513221 |
oct | 664412421146702 |
9 | 127181627336838 |
10 | 29997465390530 |
11 | 96159431a9490 |
12 | 344586256b282 |
13 | 13979972b2a31 |
14 | 759c568cacb8 |
15 | 370482513755 |
hex | 1b485444cdc2 |
29997465390530 has 48 divisors (see below), whose sum is σ = 60375841048512. Its totient is φ = 10642116259200.
The previous prime is 29997465390517. The next prime is 29997465390533. The reversal of 29997465390530 is 3509356479992.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (29997465390533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80928782 + ... + 81298601.
It is an arithmetic number, because the mean of its divisors is an integer number (1257830021844).
Almost surely, 229997465390530 is an apocalyptic number.
29997465390530 is an abundant number, since it is smaller than the sum of its proper divisors (30378375657982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29997465390530 is a wasteful number, since it uses less digits than its factorization.
29997465390530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162227483 (or 162227442 counting only the distinct ones).
The product of its (nonzero) digits is 496011600, while the sum is 71.
The spelling of 29997465390530 in words is "twenty-nine trillion, nine hundred ninety-seven billion, four hundred sixty-five million, three hundred ninety thousand, five hundred thirty".
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