Base | Representation |
---|---|
bin | 1000010010100100010… |
… | …1111100010001101010 |
3 | 111121121201122112002100 |
4 | 2010221011330101222 |
5 | 4313140334003414 |
6 | 145232310314230 |
7 | 13201245310563 |
oct | 2045105742152 |
9 | 447551575070 |
10 | 142423344234 |
11 | 554462a0576 |
12 | 23729358976 |
13 | 105799622b2 |
14 | 6c7140716a |
15 | 3a88859609 |
hex | 212917c46a |
142423344234 has 48 divisors (see below), whose sum is σ = 324894566880. Its totient is φ = 44966184480.
The previous prime is 142423344227. The next prime is 142423344251. The reversal of 142423344234 is 432443324241.
142423344234 is a `hidden beast` number, since 1 + 42 + 42 + 3 + 344 + 234 = 666.
It is a super-2 number, since 2×1424233442342 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1653289 + ... + 1737299.
It is an arithmetic number, because the mean of its divisors is an integer number (6768636810).
Almost surely, 2142423344234 is an apocalyptic number.
142423344234 is an abundant number, since it is smaller than the sum of its proper divisors (182471222646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142423344234 is a wasteful number, since it uses less digits than its factorization.
142423344234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88995 (or 88992 counting only the distinct ones).
The product of its digits is 221184, while the sum is 36.
Adding to 142423344234 its reverse (432443324241), we get a palindrome (574866668475).
The spelling of 142423344234 in words is "one hundred forty-two billion, four hundred twenty-three million, three hundred forty-four thousand, two hundred thirty-four".
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