Base | Representation |
---|---|
bin | 1000010010001000001… |
… | …0100110110101100001 |
3 | 111121022111000111202011 |
4 | 2010202002212311201 |
5 | 4312420041420343 |
6 | 145212442352521 |
7 | 13165310535565 |
oct | 2044202466541 |
9 | 447274014664 |
10 | 142305029473 |
11 | 5539552a982 |
12 | 236b57bb741 |
13 | 1055b2a8469 |
14 | 6c5d8096a5 |
15 | 3a7d28829d |
hex | 21220a6d61 |
142305029473 has 8 divisors (see below), whose sum is σ = 144113156480. Its totient is φ = 140497072560.
The previous prime is 142305029453. The next prime is 142305029501. The reversal of 142305029473 is 374920503241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142305029473 is a prime.
It is a super-2 number, since 2×1423050294732 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142305029453) 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, 3184978 + ... + 3229348.
It is an arithmetic number, because the mean of its divisors is an integer number (18014144560).
Almost surely, 2142305029473 is an apocalyptic number.
It is an amenable number.
142305029473 is a deficient number, since it is larger than the sum of its proper divisors (1808127007).
142305029473 is an equidigital number, since it uses as much as digits as its factorization.
142305029473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85047.
The product of its (nonzero) digits is 181440, while the sum is 40.
The spelling of 142305029473 in words is "one hundred forty-two billion, three hundred five million, twenty-nine thousand, four hundred seventy-three".
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