Base | Representation |
---|---|
bin | 10000111101000… |
… | …00101111010111 |
3 | 100220121022212212 |
4 | 20132200233113 |
5 | 242401404101 |
6 | 22040104035 |
7 | 3344550230 |
oct | 1036405727 |
9 | 326538785 |
10 | 142216151 |
11 | 73306110 |
12 | 3b76501b |
13 | 23604c8c |
14 | 14c60087 |
15 | c7431bb |
hex | 87a0bd7 |
142216151 has 8 divisors (see below), whose sum is σ = 177308544. Its totient is φ = 110817720.
The previous prime is 142216147. The next prime is 142216157. The reversal of 142216151 is 151612241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142216151 - 22 = 142216147 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142216157) 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, 923405 + ... + 923558.
It is an arithmetic number, because the mean of its divisors is an integer number (22163568).
Almost surely, 2142216151 is an apocalyptic number.
142216151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
142216151 is a deficient number, since it is larger than the sum of its proper divisors (35092393).
142216151 is a wasteful number, since it uses less digits than its factorization.
142216151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1846981.
The product of its digits is 480, while the sum is 23.
The square root of 142216151 is about 11925.4413335524. The cubic root of 142216151 is about 521.9749245403.
Adding to 142216151 its reverse (151612241), we get a palindrome (293828392).
The spelling of 142216151 in words is "one hundred forty-two million, two hundred sixteen thousand, one hundred fifty-one".
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