Base | Representation |
---|---|
bin | 1000010010101011111… |
… | …1100100001100001001 |
3 | 111121200221122100012220 |
4 | 2010222333210030021 |
5 | 4313222014232040 |
6 | 145235405524253 |
7 | 13202113310640 |
oct | 2045277441411 |
9 | 447627570186 |
10 | 142455227145 |
11 | 55462297690 |
12 | 23737b73689 |
13 | 1058344631a |
14 | 6c75746357 |
15 | 3a8b5562d0 |
hex | 212afe4309 |
142455227145 has 32 divisors (see below), whose sum is σ = 284170429440. Its totient is φ = 59202171840.
The previous prime is 142455227129. The next prime is 142455227147. The reversal of 142455227145 is 541722554241.
It is not a de Polignac number, because 142455227145 - 24 = 142455227129 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142455227097 and 142455227106.
It is not an unprimeable number, because it can be changed into a prime (142455227147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61667775 + ... + 61670084.
It is an arithmetic number, because the mean of its divisors is an integer number (8880325920).
Almost surely, 2142455227145 is an apocalyptic number.
142455227145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142455227145 is a deficient number, since it is larger than the sum of its proper divisors (141715202295).
142455227145 is a wasteful number, since it uses less digits than its factorization.
142455227145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123337885.
The product of its digits is 448000, while the sum is 42.
The spelling of 142455227145 in words is "one hundred forty-two billion, four hundred fifty-five million, two hundred twenty-seven thousand, one hundred forty-five".
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