Base | Representation |
---|---|
bin | 10011011101010001110101… |
… | …10100110011100101001010 |
3 | 12121111102220000222122122120 |
4 | 21232220322310303211022 |
5 | 21102012144441432132 |
6 | 231000141135432110 |
7 | 12004201632466452 |
oct | 1156507264634512 |
9 | 177442800878576 |
10 | 42787451124042 |
11 | 126a7068769389 |
12 | 49705b2985636 |
13 | 1ab4abb007cc1 |
14 | a7ccd0836d62 |
15 | 4e2eee49b02c |
hex | 26ea3ad3394a |
42787451124042 has 32 divisors (see below), whose sum is σ = 85594877905920. Its totient is φ = 14259154852800.
The previous prime is 42787451124001. The next prime is 42787451124049. The reversal of 42787451124042 is 24042115478724.
It is not an unprimeable number, because it can be changed into a prime (42787451124049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491184663 + ... + 491271765.
It is an arithmetic number, because the mean of its divisors is an integer number (2674839934560).
Almost surely, 242787451124042 is an apocalyptic number.
42787451124042 is an abundant number, since it is smaller than the sum of its proper divisors (42807426781878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42787451124042 is a wasteful number, since it uses less digits than its factorization.
42787451124042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105278.
The product of its (nonzero) digits is 4014080, while the sum is 51.
The spelling of 42787451124042 in words is "forty-two trillion, seven hundred eighty-seven billion, four hundred fifty-one million, one hundred twenty-four thousand, forty-two".
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