Base | Representation |
---|---|
bin | 10010110110000111… |
… | …011111101011111110 |
3 | 1221020020021002201222 |
4 | 102312013133223332 |
5 | 312420213143134 |
6 | 13143532233342 |
7 | 1314310050455 |
oct | 226607375376 |
9 | 57206232658 |
10 | 20235287294 |
11 | 8644323932 |
12 | 3b0890b852 |
13 | 1ba63686a1 |
14 | d9d651b9c |
15 | 7d6745a2e |
hex | 4b61dfafe |
20235287294 has 8 divisors (see below), whose sum is σ = 30405537408. Its totient is φ = 10100108160.
The previous prime is 20235287291. The next prime is 20235287297. The reversal of 20235287294 is 49278253202.
It is an interprime number because it is at equal distance from previous prime (20235287291) and next prime (20235287297).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20235287291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8766302 + ... + 8768609.
It is an arithmetic number, because the mean of its divisors is an integer number (3800692176).
Almost surely, 220235287294 is an apocalyptic number.
20235287294 is a deficient number, since it is larger than the sum of its proper divisors (10170250114).
20235287294 is a wasteful number, since it uses less digits than its factorization.
20235287294 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17535490.
The product of its (nonzero) digits is 483840, while the sum is 44.
The spelling of 20235287294 in words is "twenty billion, two hundred thirty-five million, two hundred eighty-seven thousand, two hundred ninety-four".
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