Base | Representation |
---|---|
bin | 1000010010010011111… |
… | …0010100000010011110 |
3 | 111121102220121102210110 |
4 | 2010210332110002132 |
5 | 4313020141014200 |
6 | 145221401150450 |
7 | 13166446015542 |
oct | 2044476240236 |
9 | 447386542713 |
10 | 142354235550 |
11 | 5541028915a |
12 | 2370a18b426 |
13 | 10568546397 |
14 | 6c66177a22 |
15 | 3a82757b50 |
hex | 2124f9409e |
142354235550 has 24 divisors (see below), whose sum is σ = 353038504536. Its totient is φ = 37961129440.
The previous prime is 142354235539. The next prime is 142354235557. The reversal of 142354235550 is 55532453241.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 142354235499 and 142354235508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142354235557) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474513969 + ... + 474514268.
It is an arithmetic number, because the mean of its divisors is an integer number (14709937689).
Almost surely, 2142354235550 is an apocalyptic number.
142354235550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142354235550 is an abundant number, since it is smaller than the sum of its proper divisors (210684268986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142354235550 is a wasteful number, since it uses less digits than its factorization.
142354235550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 949028252 (or 949028247 counting only the distinct ones).
The product of its (nonzero) digits is 360000, while the sum is 39.
Adding to 142354235550 its reverse (55532453241), we get a palindrome (197886688791).
The spelling of 142354235550 in words is "one hundred forty-two billion, three hundred fifty-four million, two hundred thirty-five thousand, five hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •