Base | Representation |
---|---|
bin | 100000010010111111000001… |
… | …001011011101010101100110 |
3 | 200121221002111111001012010020 |
4 | 200102333001023131111212 |
5 | 122104204212214434304 |
6 | 1222033124132340010 |
7 | 41630126522524623 |
oct | 4022770113352546 |
9 | 617832444035106 |
10 | 142042104452454 |
11 | 41293799a2a378 |
12 | 13b20865474606 |
13 | 613468901395b |
14 | 2710c35a3334a |
15 | 1164c93ae75d9 |
hex | 812fc12dd566 |
142042104452454 has 64 divisors (see below), whose sum is σ = 295244353382400. Its totient is φ = 45508195584000.
The previous prime is 142042104452453. The next prime is 142042104452483. The reversal of 142042104452454 is 454254401240241.
It is a super-2 number, since 2×1420421044524542 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142042104452453) 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 31 ways as a sum of consecutive naturals, for example, 298269574 + ... + 298745414.
It is an arithmetic number, because the mean of its divisors is an integer number (4613193021600).
Almost surely, 2142042104452454 is an apocalyptic number.
142042104452454 is an abundant number, since it is smaller than the sum of its proper divisors (153202248929946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142042104452454 is a wasteful number, since it uses less digits than its factorization.
142042104452454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486797.
The product of its (nonzero) digits is 819200, while the sum is 42.
Adding to 142042104452454 its reverse (454254401240241), we get a palindrome (596296505692695).
The spelling of 142042104452454 in words is "one hundred forty-two trillion, forty-two billion, one hundred four million, four hundred fifty-two thousand, four hundred fifty-four".
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