Base | Representation |
---|---|
bin | 1000010010011111011… |
… | …0010101010110111110 |
3 | 111121120021101021111120 |
4 | 2010213312111112332 |
5 | 4313120013203304 |
6 | 145230243131410 |
7 | 13200603032631 |
oct | 2044766252676 |
9 | 447507337446 |
10 | 142402475454 |
11 | 55435537548 |
12 | 23722373b66 |
13 | 105755365c5 |
14 | 6c6c733c18 |
15 | 3a86ad60d9 |
hex | 2127d955be |
142402475454 has 8 divisors (see below), whose sum is σ = 284804950920. Its totient is φ = 47467491816.
The previous prime is 142402475437. The next prime is 142402475483. The reversal of 142402475454 is 454574204241.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
142402475454 is an admirable number.
It is a super-2 number, since 2×1424024754542 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11866872949 + ... + 11866872960.
It is an arithmetic number, because the mean of its divisors is an integer number (35600618865).
Almost surely, 2142402475454 is an apocalyptic number.
142402475454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142402475454 is a wasteful number, since it uses less digits than its factorization.
142402475454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23733745914.
The product of its (nonzero) digits is 716800, while the sum is 42.
Adding to 142402475454 its reverse (454574204241), we get a palindrome (596976679695).
The spelling of 142402475454 in words is "one hundred forty-two billion, four hundred two million, four hundred seventy-five thousand, four hundred fifty-four".
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