Base | Representation |
---|---|
bin | 10010101000000111… |
… | …000110000010101111 |
3 | 1220121212002120110110 |
4 | 102220013012002233 |
5 | 311430034114411 |
6 | 13104335511103 |
7 | 1305424520061 |
oct | 225007060257 |
9 | 56555076413 |
10 | 20000301231 |
11 | 8533715379 |
12 | 3a62088493 |
13 | 1b69781a91 |
14 | d7a363731 |
15 | 7c0cca2a6 |
hex | 4a81c60af |
20000301231 has 8 divisors (see below), whose sum is σ = 26673370240. Its totient is φ = 13330383192.
The previous prime is 20000301187. The next prime is 20000301241. The reversal of 20000301231 is 13210300002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20000301231 - 27 = 20000301103 is a prime.
It is a super-3 number, since 3×200003012313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20000301241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772891 + ... + 798348.
It is an arithmetic number, because the mean of its divisors is an integer number (3334171280).
Almost surely, 220000301231 is an apocalyptic number.
20000301231 is a deficient number, since it is larger than the sum of its proper divisors (6673069009).
20000301231 is a wasteful number, since it uses less digits than its factorization.
20000301231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1575485.
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 20000301231 its reverse (13210300002), we get a palindrome (33210601233).
The spelling of 20000301231 in words is "twenty billion, three hundred one thousand, two hundred thirty-one".
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