Base | Representation |
---|---|
bin | 100111001111001010… |
… | …000111001111000110 |
3 | 11000202010110222001002 |
4 | 213033022013033012 |
5 | 1142240320143304 |
6 | 31204313133302 |
7 | 3021012064241 |
oct | 471712071706 |
9 | 130663428032 |
10 | 42130240454 |
11 | 1695a471245 |
12 | 81b93ba232 |
13 | 3c854ca983 |
14 | 207948a258 |
15 | 1168a2431e |
hex | 9cf2873c6 |
42130240454 has 8 divisors (see below), whose sum is σ = 63196583088. Its totient is φ = 21064712760.
The previous prime is 42130240447. The next prime is 42130240469. The reversal of 42130240454 is 45404203124.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×421302404542 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51842 + ... + 294869.
It is an arithmetic number, because the mean of its divisors is an integer number (7899572886).
Almost surely, 242130240454 is an apocalyptic number.
42130240454 is a deficient number, since it is larger than the sum of its proper divisors (21066342634).
42130240454 is a wasteful number, since it uses less digits than its factorization.
42130240454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 407470.
The product of its (nonzero) digits is 15360, while the sum is 29.
Adding to 42130240454 its reverse (45404203124), we get a palindrome (87534443578).
The spelling of 42130240454 in words is "forty-two billion, one hundred thirty million, two hundred forty thousand, four hundred fifty-four".
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