Base | Representation |
---|---|
bin | 10000111100001… |
… | …00111100100110 |
3 | 100220101112201112 |
4 | 20132010330212 |
5 | 242334233220 |
6 | 22033425022 |
7 | 3343564310 |
oct | 1036047446 |
9 | 326345645 |
10 | 142102310 |
11 | 73238629 |
12 | 3b70b172 |
13 | 2359520c |
14 | 14c307b0 |
15 | c71e5c5 |
hex | 8784f26 |
142102310 has 64 divisors (see below), whose sum is σ = 304335360. Its totient is φ = 46759680.
The previous prime is 142102309. The next prime is 142102321. The reversal of 142102310 is 13201241.
It is a super-2 number, since 2×1421023102 = 40386133014672200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191921 + ... + 192659.
It is an arithmetic number, because the mean of its divisors is an integer number (4755240).
Almost surely, 2142102310 is an apocalyptic number.
142102310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142102310 is an abundant number, since it is smaller than the sum of its proper divisors (162233050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142102310 is a wasteful number, since it uses less digits than its factorization.
142102310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 861.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 142102310 is about 11920.6673470909. The cubic root of 142102310 is about 521.8356107577.
Adding to 142102310 its reverse (13201241), we get a palindrome (155303551).
The spelling of 142102310 in words is "one hundred forty-two million, one hundred two thousand, three hundred ten".
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