Base | Representation |
---|---|
bin | 10000111101000… |
… | …00001111101000 |
3 | 100220121020002122 |
4 | 20132200033220 |
5 | 242401322440 |
6 | 22040050412 |
7 | 3344541266 |
oct | 1036401750 |
9 | 326536078 |
10 | 142214120 |
11 | 73304634 |
12 | 3b763a08 |
13 | 23604089 |
14 | 14c5d436 |
15 | c7427b5 |
hex | 87a03e8 |
142214120 has 16 divisors (see below), whose sum is σ = 319981860. Its totient is φ = 56885632.
The previous prime is 142214101. The next prime is 142214167. The reversal of 142214120 is 21412241.
It can be written as a sum of positive squares in 2 ways, for example, as 141657604 + 556516 = 11902^2 + 746^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777637 + ... + 1777716.
Almost surely, 2142214120 is an apocalyptic number.
142214120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142214120 is an abundant number, since it is smaller than the sum of its proper divisors (177767740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142214120 is a wasteful number, since it uses less digits than its factorization.
142214120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3555364 (or 3555360 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 142214120 is about 11925.3561791671. The cubic root of 142214120 is about 521.9724397402.
Adding to 142214120 its reverse (21412241), we get a palindrome (163626361).
The spelling of 142214120 in words is "one hundred forty-two million, two hundred fourteen thousand, one hundred twenty".
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