Base | Representation |
---|---|
bin | 100111010000000010… |
… | …011110011010100101 |
3 | 11000210011021121112120 |
4 | 213100002132122211 |
5 | 1142303110443321 |
6 | 31210001540153 |
7 | 3021251502123 |
oct | 472002363245 |
9 | 130704247476 |
10 | 42145015461 |
11 | 1696784299a |
12 | 8202344659 |
13 | 3c885a1a93 |
14 | 207b414913 |
15 | 1169e91ec6 |
hex | 9d009e6a5 |
42145015461 has 8 divisors (see below), whose sum is σ = 56196571200. Its totient is φ = 28095068352.
The previous prime is 42145015373. The next prime is 42145015483. The reversal of 42145015461 is 16451054124.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42145015461 - 222 = 42140821157 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42145015261) 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, 339636 + ... + 446813.
It is an arithmetic number, because the mean of its divisors is an integer number (7024571400).
Almost surely, 242145015461 is an apocalyptic number.
It is an amenable number.
42145015461 is a deficient number, since it is larger than the sum of its proper divisors (14051555739).
42145015461 is a wasteful number, since it uses less digits than its factorization.
42145015461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 804315.
The product of its (nonzero) digits is 19200, while the sum is 33.
Adding to 42145015461 its reverse (16451054124), we get a palindrome (58596069585).
The spelling of 42145015461 in words is "forty-two billion, one hundred forty-five million, fifteen thousand, four hundred sixty-one".
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